<?php
/**
 +------------------------------------------------------------------------------
 * PhpConcept Library - Zip Module 2.8.2
 +------------------------------------------------------------------------------
 * Presentation : PclZip is a PHP library that manage ZIP archives.
 +------------------------------------------------------------------------------
 * Description : See readme.txt and http://www.phpconcept.net
 +------------------------------------------------------------------------------
 **/


$g_pclzip_version = '2.8.2';
defined('PCLZIP_READ_BLOCK_SIZE') or define('PCLZIP_READ_BLOCK_SIZE', 2048);
defined('PCLZIP_SEPARATOR') or define('PCLZIP_SEPARATOR', ',');
defined('PCLZIP_ERROR_EXTERNAL') or define('PCLZIP_ERROR_EXTERNAL', 0);
defined('PCLZIP_TEMPORARY_DIR') or define('PCLZIP_TEMPORARY_DIR', '');
defined('PCLZIP_TEMPORARY_FILE_RATIO') or define('PCLZIP_TEMPORARY_FILE_RATIO', 0.47);

define('PCLZIP_ERR_USER_ABORTED', 2);
define('PCLZIP_ERR_NO_ERROR', 0);
define('PCLZIP_ERR_WRITE_OPEN_FAIL', -1);
define('PCLZIP_ERR_READ_OPEN_FAIL', -2);
define('PCLZIP_ERR_INVALID_PARAMETER', -3);
define('PCLZIP_ERR_MISSING_FILE', -4);
define('PCLZIP_ERR_FILENAME_TOO_LONG', -5);
define('PCLZIP_ERR_INVALID_ZIP', -6);
define('PCLZIP_ERR_BAD_EXTRACTED_FILE', -7);
define('PCLZIP_ERR_DIR_CREATE_FAIL', -8);
define('PCLZIP_ERR_BAD_EXTENSION', -9);
define('PCLZIP_ERR_BAD_FORMAT', -10);
define('PCLZIP_ERR_DELETE_FILE_FAIL', -11);
define('PCLZIP_ERR_RENAME_FILE_FAIL', -12);
define('PCLZIP_ERR_BAD_CHECKSUM', -13);
define('PCLZIP_ERR_INVALID_ARCHIVE_ZIP', -14);
define('PCLZIP_ERR_MISSING_OPTION_VALUE', -15);
define('PCLZIP_ERR_INVALID_OPTION_VALUE', -16);
define('PCLZIP_ERR_ALREADY_A_DIRECTORY', -17);
define('PCLZIP_ERR_UNSUPPORTED_COMPRESSION', -18);
define('PCLZIP_ERR_UNSUPPORTED_ENCRYPTION', -19);
define('PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE', -20);
define('PCLZIP_ERR_DIRECTORY_RESTRICTION', -21);
define('PCLZIP_OPT_PATH', 77001);
define('PCLZIP_OPT_ADD_PATH', 77002);
define('PCLZIP_OPT_REMOVE_PATH', 77003);
define('PCLZIP_OPT_REMOVE_ALL_PATH', 77004);
define('PCLZIP_OPT_SET_CHMOD', 77005);
define('PCLZIP_OPT_EXTRACT_AS_STRING', 77006);
define('PCLZIP_OPT_NO_COMPRESSION', 77007);
define('PCLZIP_OPT_BY_NAME', 77008);
define('PCLZIP_OPT_BY_INDEX', 77009);
define('PCLZIP_OPT_BY_EREG', 77010);
define('PCLZIP_OPT_BY_PREG', 77011);
define('PCLZIP_OPT_COMMENT', 77012);
define('PCLZIP_OPT_ADD_COMMENT', 77013);
define('PCLZIP_OPT_PREPEND_COMMENT', 77014);
define('PCLZIP_OPT_EXTRACT_IN_OUTPUT', 77015);
define('PCLZIP_OPT_REPLACE_NEWER', 77016);
define('PCLZIP_OPT_STOP_ON_ERROR', 77017);
define('PCLZIP_OPT_EXTRACT_DIR_RESTRICTION', 77019);
define('PCLZIP_OPT_TEMP_FILE_THRESHOLD', 77020);
define('PCLZIP_OPT_ADD_TEMP_FILE_THRESHOLD', 77020);
define('PCLZIP_OPT_TEMP_FILE_ON', 77021);
define('PCLZIP_OPT_ADD_TEMP_FILE_ON', 77021);
define('PCLZIP_OPT_TEMP_FILE_OFF', 77022);
define('PCLZIP_OPT_ADD_TEMP_FILE_OFF', 77022);
define('PCLZIP_ATT_FILE_NAME', 79001);
define('PCLZIP_ATT_FILE_NEW_SHORT_NAME', 79002);
define('PCLZIP_ATT_FILE_NEW_FULL_NAME', 79003);
define('PCLZIP_ATT_FILE_MTIME', 79004);
define('PCLZIP_ATT_FILE_CONTENT', 79005);
define('PCLZIP_ATT_FILE_COMMENT', 79006);
define('PCLZIP_CB_PRE_EXTRACT', 78001);
define('PCLZIP_CB_POST_EXTRACT', 78002);
define('PCLZIP_CB_PRE_ADD', 78003);
define('PCLZIP_CB_POST_ADD', 78004);


class PclZip {
    public $zipname = '';
    public $zip_fd = 0;
    public $error_code = 1;
    public $error_string = '';
    public $magic_quotes_status;

    public function __construct($p_zipname){
        if (!function_exists('gzopen'))
        {
            die('Abort '.basename(__FILE__).' : Missing zlib extensions');
        }
        $this->zipname = $p_zipname;
        $this->zip_fd = 0;
        $this->magic_quotes_status = -1;
        return;
    }

    public function create($p_filelist){
        $v_result=1;
        $this->privErrorReset();
        $v_options = array();
        $v_options[PCLZIP_OPT_NO_COMPRESSION] = FALSE;
        $v_size = func_num_args();
        if ($v_size >1){
            $v_arg_list = func_get_args();
            array_shift($v_arg_list);
            $v_size--;
            if ((is_integer($v_arg_list[0])) &&($v_arg_list[0] >77000)){
                $v_result = $this->privParseOptions($v_arg_list,$v_size,$v_options,
                array (PCLZIP_OPT_REMOVE_PATH => 'optional',
                PCLZIP_OPT_REMOVE_ALL_PATH => 'optional',
                PCLZIP_OPT_ADD_PATH => 'optional',
                PCLZIP_CB_PRE_ADD => 'optional',
                PCLZIP_CB_POST_ADD => 'optional',
                PCLZIP_OPT_NO_COMPRESSION => 'optional',
                PCLZIP_OPT_COMMENT => 'optional',
                PCLZIP_OPT_TEMP_FILE_THRESHOLD => 'optional',
                PCLZIP_OPT_TEMP_FILE_ON => 'optional',
                PCLZIP_OPT_TEMP_FILE_OFF => 'optional'
                ));
                if ($v_result != 1){
                    return 0;
                }
            }
            else {
                $v_options[PCLZIP_OPT_ADD_PATH] = $v_arg_list[0];
                if ($v_size == 2){
                    $v_options[PCLZIP_OPT_REMOVE_PATH] = $v_arg_list[1];
                }
                else if ($v_size >2){
                    PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,
                    "Invalid number / type of arguments");
                    return 0;
                }
            }
        }
        $this->privOptionDefaultThreshold($v_options);
        $v_string_list = array();
        $v_att_list = array();
        $v_filedescr_list = array();
        $p_result_list = array();
        if (is_array($p_filelist)){
            if (isset($p_filelist[0]) &&is_array($p_filelist[0])){
                $v_att_list = $p_filelist;
            }
            else {
                $v_string_list = $p_filelist;
            }
        }
        else if (is_string($p_filelist)){
            $v_string_list = explode(PCLZIP_SEPARATOR,$p_filelist);
        }
        else {
            PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,"Invalid variable type p_filelist");
            return 0;
        }
        if (sizeof($v_string_list) != 0){
            foreach ($v_string_list as $v_string){
                if ($v_string != ''){
                    $v_att_list[][PCLZIP_ATT_FILE_NAME] = $v_string;
                } else {
                }
            }
        }
        $v_supported_attributes = array(
        PCLZIP_ATT_FILE_NAME => 'mandatory',
        PCLZIP_ATT_FILE_NEW_SHORT_NAME => 'optional',
        PCLZIP_ATT_FILE_NEW_FULL_NAME => 'optional',
        PCLZIP_ATT_FILE_MTIME => 'optional',
        PCLZIP_ATT_FILE_CONTENT => 'optional',
        PCLZIP_ATT_FILE_COMMENT => 'optional'
        );
        foreach ($v_att_list as $v_entry){
            $v_result = $this->privFileDescrParseAtt($v_entry,
            $v_filedescr_list[],
            $v_options,
            $v_supported_attributes);
            if ($v_result != 1){
                return 0;
            }
        }
        $v_result = $this->privFileDescrExpand($v_filedescr_list,$v_options);
        if ($v_result != 1){
            return 0;
        }
        $v_result = $this->privCreate($v_filedescr_list,$p_result_list,$v_options);
        if ($v_result != 1){
            return 0;
        }
        return $p_result_list;
    }

    public function add($p_filelist){
        $v_result=1;
        $this->privErrorReset();
        $v_options = array();
        $v_options[PCLZIP_OPT_NO_COMPRESSION] = FALSE;
        $v_size = func_num_args();
        if ($v_size >1){
            $v_arg_list = func_get_args();
            array_shift($v_arg_list);
            $v_size--;
            if ((is_integer($v_arg_list[0])) &&($v_arg_list[0] >77000)){
                $v_result = $this->privParseOptions($v_arg_list,$v_size,$v_options,
                array (PCLZIP_OPT_REMOVE_PATH => 'optional',
                PCLZIP_OPT_REMOVE_ALL_PATH => 'optional',
                PCLZIP_OPT_ADD_PATH => 'optional',
                PCLZIP_CB_PRE_ADD => 'optional',
                PCLZIP_CB_POST_ADD => 'optional',
                PCLZIP_OPT_NO_COMPRESSION => 'optional',
                PCLZIP_OPT_COMMENT => 'optional',
                PCLZIP_OPT_ADD_COMMENT => 'optional',
                PCLZIP_OPT_PREPEND_COMMENT => 'optional',
                PCLZIP_OPT_TEMP_FILE_THRESHOLD => 'optional',
                PCLZIP_OPT_TEMP_FILE_ON => 'optional',
                PCLZIP_OPT_TEMP_FILE_OFF => 'optional'
                ));
                if ($v_result != 1){
                    return 0;
                }
            } else {
                $v_options[PCLZIP_OPT_ADD_PATH] = $v_add_path = $v_arg_list[0];
                if ($v_size == 2){
                    $v_options[PCLZIP_OPT_REMOVE_PATH] = $v_arg_list[1];
                } else if ($v_size >2){
                    PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,"Invalid number / type of arguments");
                    return 0;
                }
            }
        }
        $this->privOptionDefaultThreshold($v_options);
        $v_string_list = array();
        $v_att_list = array();
        $v_filedescr_list = array();
        $p_result_list = array();
        if (is_array($p_filelist)){
            if (isset($p_filelist[0]) &&is_array($p_filelist[0])){
                $v_att_list = $p_filelist;
            } else {
                $v_string_list = $p_filelist;
            }
        } else if (is_string($p_filelist)){
            $v_string_list = explode(PCLZIP_SEPARATOR,$p_filelist);
        } else {
            PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,"Invalid variable type '".gettype($p_filelist)."' for p_filelist");
            return 0;
        }
        if (sizeof($v_string_list) != 0){
            foreach ($v_string_list as $v_string){
                $v_att_list[][PCLZIP_ATT_FILE_NAME] = $v_string;
            }
        }
        $v_supported_attributes = array (
        PCLZIP_ATT_FILE_NAME => 'mandatory'
        ,PCLZIP_ATT_FILE_NEW_SHORT_NAME => 'optional'
        ,PCLZIP_ATT_FILE_NEW_FULL_NAME => 'optional'
        ,PCLZIP_ATT_FILE_MTIME => 'optional'
        ,PCLZIP_ATT_FILE_CONTENT => 'optional'
        ,PCLZIP_ATT_FILE_COMMENT => 'optional'
        );
        foreach ($v_att_list as $v_entry){
            $v_result = $this->privFileDescrParseAtt($v_entry,
            $v_filedescr_list[],
            $v_options,
            $v_supported_attributes);
            if ($v_result != 1){
                return 0;
            }
        }
        $v_result = $this->privFileDescrExpand($v_filedescr_list,$v_options);
        if ($v_result != 1){
            return 0;
        }
        $v_result = $this->privAdd($v_filedescr_list,$p_result_list,$v_options);
        if ($v_result != 1){
            return 0;
        }
        return $p_result_list;
    }
    public function listContent(){
        $v_result=1;
        $this->privErrorReset();
        if (!$this->privCheckFormat()){
            return(0);
        }
        $p_list = array();
        if (($v_result = $this->privList($p_list)) != 1)
        {
            unset($p_list);
            return(0);
        }
        return $p_list;
    }
    public function extract(){
        $v_result=1;
        $this->privErrorReset();
        if (!$this->privCheckFormat()){
            return(0);
        }
        $v_options = array();
        $v_path = '';
        $v_remove_path = "";
        $v_remove_all_path = false;
        $v_size = func_num_args();
        $v_options[PCLZIP_OPT_EXTRACT_AS_STRING] = FALSE;
        if ($v_size >0){
            $v_arg_list = func_get_args();
            if ((is_integer($v_arg_list[0])) &&($v_arg_list[0] >77000)){
                $v_result = $this->privParseOptions($v_arg_list,$v_size,$v_options,
                array (PCLZIP_OPT_PATH => 'optional',
                PCLZIP_OPT_REMOVE_PATH => 'optional',
                PCLZIP_OPT_REMOVE_ALL_PATH => 'optional',
                PCLZIP_OPT_ADD_PATH => 'optional',
                PCLZIP_CB_PRE_EXTRACT => 'optional',
                PCLZIP_CB_POST_EXTRACT => 'optional',
                PCLZIP_OPT_SET_CHMOD => 'optional',
                PCLZIP_OPT_BY_NAME => 'optional',
                PCLZIP_OPT_BY_EREG => 'optional',
                PCLZIP_OPT_BY_PREG => 'optional',
                PCLZIP_OPT_BY_INDEX => 'optional',
                PCLZIP_OPT_EXTRACT_AS_STRING => 'optional',
                PCLZIP_OPT_EXTRACT_IN_OUTPUT => 'optional',
                PCLZIP_OPT_REPLACE_NEWER => 'optional'
                ,PCLZIP_OPT_STOP_ON_ERROR => 'optional'
                ,PCLZIP_OPT_EXTRACT_DIR_RESTRICTION => 'optional',
                PCLZIP_OPT_TEMP_FILE_THRESHOLD => 'optional',
                PCLZIP_OPT_TEMP_FILE_ON => 'optional',
                PCLZIP_OPT_TEMP_FILE_OFF => 'optional'
                ));
                if ($v_result != 1){
                    return 0;
                }
                if (isset($v_options[PCLZIP_OPT_PATH])){
                    $v_path = $v_options[PCLZIP_OPT_PATH];
                }
                if (isset($v_options[PCLZIP_OPT_REMOVE_PATH])){
                    $v_remove_path = $v_options[PCLZIP_OPT_REMOVE_PATH];
                }
                if (isset($v_options[PCLZIP_OPT_REMOVE_ALL_PATH])){
                    $v_remove_all_path = $v_options[PCLZIP_OPT_REMOVE_ALL_PATH];
                }
                if (isset($v_options[PCLZIP_OPT_ADD_PATH])){
                    if ((strlen($v_path) >0) &&(substr($v_path,-1) != '/')){
                        $v_path .= '/';
                    }
                    $v_path .= $v_options[PCLZIP_OPT_ADD_PATH];
                }
            }
            else {
                $v_path = $v_arg_list[0];
                if ($v_size == 2){
                    $v_remove_path = $v_arg_list[1];
                }
                else if ($v_size >2){
                    PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,"Invalid number / type of arguments");
                    return 0;
                }
            }
        }
        $this->privOptionDefaultThreshold($v_options);
        $p_list = array();
        $v_result = $this->privExtractByRule($p_list,$v_path,$v_remove_path,
        $v_remove_all_path,$v_options);
        if ($v_result <1){
            unset($p_list);
            return(0);
        }
        return $p_list;
    }
    public function extractByIndex($p_index){
        $v_result=1;
        $this->privErrorReset();
        if (!$this->privCheckFormat()){
            return(0);
        }
        $v_options = array();
        $v_path = '';
        $v_remove_path = "";
        $v_remove_all_path = false;
        $v_size = func_num_args();
        $v_options[PCLZIP_OPT_EXTRACT_AS_STRING] = FALSE;
        if ($v_size >1){
            $v_arg_list = func_get_args();
            array_shift($v_arg_list);
            $v_size--;
            if ((is_integer($v_arg_list[0])) &&($v_arg_list[0] >77000)){
                $v_result = $this->privParseOptions($v_arg_list,$v_size,$v_options,
                array (PCLZIP_OPT_PATH => 'optional',
                PCLZIP_OPT_REMOVE_PATH => 'optional',
                PCLZIP_OPT_REMOVE_ALL_PATH => 'optional',
                PCLZIP_OPT_EXTRACT_AS_STRING => 'optional',
                PCLZIP_OPT_ADD_PATH => 'optional',
                PCLZIP_CB_PRE_EXTRACT => 'optional',
                PCLZIP_CB_POST_EXTRACT => 'optional',
                PCLZIP_OPT_SET_CHMOD => 'optional',
                PCLZIP_OPT_REPLACE_NEWER => 'optional'
                ,PCLZIP_OPT_STOP_ON_ERROR => 'optional'
                ,PCLZIP_OPT_EXTRACT_DIR_RESTRICTION => 'optional',
                PCLZIP_OPT_TEMP_FILE_THRESHOLD => 'optional',
                PCLZIP_OPT_TEMP_FILE_ON => 'optional',
                PCLZIP_OPT_TEMP_FILE_OFF => 'optional'
                ));
                if ($v_result != 1){
                    return 0;
                }
                if (isset($v_options[PCLZIP_OPT_PATH])){
                    $v_path = $v_options[PCLZIP_OPT_PATH];
                }
                if (isset($v_options[PCLZIP_OPT_REMOVE_PATH])){
                    $v_remove_path = $v_options[PCLZIP_OPT_REMOVE_PATH];
                }
                if (isset($v_options[PCLZIP_OPT_REMOVE_ALL_PATH])){
                    $v_remove_all_path = $v_options[PCLZIP_OPT_REMOVE_ALL_PATH];
                }
                if (isset($v_options[PCLZIP_OPT_ADD_PATH])){
                    if ((strlen($v_path) >0) &&(substr($v_path,-1) != '/')){
                        $v_path .= '/';
                    }
                    $v_path .= $v_options[PCLZIP_OPT_ADD_PATH];
                }
                if (!isset($v_options[PCLZIP_OPT_EXTRACT_AS_STRING])){
                    $v_options[PCLZIP_OPT_EXTRACT_AS_STRING] = FALSE;
                }
                else {
                }
            }
            else {
                $v_path = $v_arg_list[0];
                if ($v_size == 2){
                    $v_remove_path = $v_arg_list[1];
                }
                else if ($v_size >2){
                    PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,"Invalid number / type of arguments");
                    return 0;
                }
            }
        }
        $v_arg_trick = array (PCLZIP_OPT_BY_INDEX,$p_index);
        $v_options_trick = array();
        $v_result = $this->privParseOptions($v_arg_trick,sizeof($v_arg_trick),$v_options_trick,
        array (PCLZIP_OPT_BY_INDEX => 'optional'));
        if ($v_result != 1){
            return 0;
        }
        $v_options[PCLZIP_OPT_BY_INDEX] = $v_options_trick[PCLZIP_OPT_BY_INDEX];
        $this->privOptionDefaultThreshold($v_options);
        if (($v_result = $this->privExtractByRule($p_list,$v_path,$v_remove_path,$v_remove_all_path,$v_options)) <1){
            return(0);
        }
        return $p_list;
    }
    public function delete(){
        $v_result=1;
        $this->privErrorReset();
        if (!$this->privCheckFormat()){
            return(0);
        }
        $v_options = array();
        $v_size = func_num_args();
        if ($v_size >0){
            $v_arg_list = func_get_args();
            $v_result = $this->privParseOptions($v_arg_list,$v_size,$v_options,
            array (PCLZIP_OPT_BY_NAME => 'optional',
            PCLZIP_OPT_BY_EREG => 'optional',
            PCLZIP_OPT_BY_PREG => 'optional',
            PCLZIP_OPT_BY_INDEX => 'optional'));
            if ($v_result != 1){
                return 0;
            }
        }
        $this->privDisableMagicQuotes();
        $v_list = array();
        if (($v_result = $this->privDeleteByRule($v_list,$v_options)) != 1){
            $this->privSwapBackMagicQuotes();
            unset($v_list);
            return(0);
        }
        $this->privSwapBackMagicQuotes();
        return $v_list;
    }
    public function deleteByIndex($p_index){
        $p_list = $this->delete(PCLZIP_OPT_BY_INDEX,$p_index);
        return $p_list;
    }
    public function properties(){
        $this->privErrorReset();
        $this->privDisableMagicQuotes();
        if (!$this->privCheckFormat()){
            $this->privSwapBackMagicQuotes();
            return(0);
        }
        $v_prop = array();
        $v_prop['comment'] = '';
        $v_prop['nb'] = 0;
        $v_prop['status'] = 'not_exist';
        if (@is_file($this->zipname))
        {
            if (($this->zip_fd = @fopen($this->zipname,'rb')) == 0)
            {
                $this->privSwapBackMagicQuotes();
                PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL,'Unable to open archive \''.$this->zipname.'\' in binary read mode');
                return 0;
            }
            $v_central_dir = array();
            if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1)
            {
                $this->privSwapBackMagicQuotes();
                return 0;
            }
            $this->privCloseFd();
            $v_prop['comment'] = $v_central_dir['comment'];
            $v_prop['nb'] = $v_central_dir['entries'];
            $v_prop['status'] = 'ok';
        }
        $this->privSwapBackMagicQuotes();
        return $v_prop;
    }
    function duplicate($p_archive){
        $v_result = 1;
        $this->privErrorReset();
        if ((is_object($p_archive)) &&(get_class($p_archive) == 'pclzip'))
        {
            $v_result = $this->privDuplicate($p_archive->zipname);
        }
        else if (is_string($p_archive))
        {
            if (!is_file($p_archive)){
                PclZip::privErrorLog(PCLZIP_ERR_MISSING_FILE,"No file with filename '".$p_archive."'");
                $v_result = PCLZIP_ERR_MISSING_FILE;
            }
            else {
                $v_result = $this->privDuplicate($p_archive);
            }
        }
        else
        {
            PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,"Invalid variable type p_archive_to_add");
            $v_result = PCLZIP_ERR_INVALID_PARAMETER;
        }
        return $v_result;
    }
    function merge($p_archive_to_add){
        $v_result = 1;
        $this->privErrorReset();
        if (!$this->privCheckFormat()){
            return(0);
        }
        if ((is_object($p_archive_to_add)) &&(get_class($p_archive_to_add) == 'pclzip'))
        {
            $v_result = $this->privMerge($p_archive_to_add);
        }
        else if (is_string($p_archive_to_add))
        {
            $v_object_archive = new PclZip($p_archive_to_add);
            $v_result = $this->privMerge($v_object_archive);
        }
        else
        {
            PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,"Invalid variable type p_archive_to_add");
            $v_result = PCLZIP_ERR_INVALID_PARAMETER;
        }
        return $v_result;
    }
    function errorCode(){
        if (PCLZIP_ERROR_EXTERNAL == 1){
            return(PclErrorCode());
        }
        else {
            return($this->error_code);
        }
    }
    function errorName($p_with_code=false){
        $v_name = array ( PCLZIP_ERR_NO_ERROR => 'PCLZIP_ERR_NO_ERROR',
        PCLZIP_ERR_WRITE_OPEN_FAIL => 'PCLZIP_ERR_WRITE_OPEN_FAIL',
        PCLZIP_ERR_READ_OPEN_FAIL => 'PCLZIP_ERR_READ_OPEN_FAIL',
        PCLZIP_ERR_INVALID_PARAMETER => 'PCLZIP_ERR_INVALID_PARAMETER',
        PCLZIP_ERR_MISSING_FILE => 'PCLZIP_ERR_MISSING_FILE',
        PCLZIP_ERR_FILENAME_TOO_LONG => 'PCLZIP_ERR_FILENAME_TOO_LONG',
        PCLZIP_ERR_INVALID_ZIP => 'PCLZIP_ERR_INVALID_ZIP',
        PCLZIP_ERR_BAD_EXTRACTED_FILE => 'PCLZIP_ERR_BAD_EXTRACTED_FILE',
        PCLZIP_ERR_DIR_CREATE_FAIL => 'PCLZIP_ERR_DIR_CREATE_FAIL',
        PCLZIP_ERR_BAD_EXTENSION => 'PCLZIP_ERR_BAD_EXTENSION',
        PCLZIP_ERR_BAD_FORMAT => 'PCLZIP_ERR_BAD_FORMAT',
        PCLZIP_ERR_DELETE_FILE_FAIL => 'PCLZIP_ERR_DELETE_FILE_FAIL',
        PCLZIP_ERR_RENAME_FILE_FAIL => 'PCLZIP_ERR_RENAME_FILE_FAIL',
        PCLZIP_ERR_BAD_CHECKSUM => 'PCLZIP_ERR_BAD_CHECKSUM',
        PCLZIP_ERR_INVALID_ARCHIVE_ZIP => 'PCLZIP_ERR_INVALID_ARCHIVE_ZIP',
        PCLZIP_ERR_MISSING_OPTION_VALUE => 'PCLZIP_ERR_MISSING_OPTION_VALUE',
        PCLZIP_ERR_INVALID_OPTION_VALUE => 'PCLZIP_ERR_INVALID_OPTION_VALUE',
        PCLZIP_ERR_UNSUPPORTED_COMPRESSION => 'PCLZIP_ERR_UNSUPPORTED_COMPRESSION',
        PCLZIP_ERR_UNSUPPORTED_ENCRYPTION => 'PCLZIP_ERR_UNSUPPORTED_ENCRYPTION'
        ,PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE => 'PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE'
        ,PCLZIP_ERR_DIRECTORY_RESTRICTION => 'PCLZIP_ERR_DIRECTORY_RESTRICTION'
        );
        if (isset($v_name[$this->error_code])){
            $v_value = $v_name[$this->error_code];
        }
        else {
            $v_value = 'NoName';
        }
        if ($p_with_code){
            return($v_value.' ('.$this->error_code.')');
        }
        else {
            return($v_value);
        }
    }
    function errorInfo($p_full=false){
        if (PCLZIP_ERROR_EXTERNAL == 1){
            return(PclErrorString());
        }
        else {
            if ($p_full){
                return($this->errorName(true)." : ".$this->error_string);
            }
            else {
                return($this->error_string." [code ".$this->error_code."]");
            }
        }
    }
    function privCheckFormat($p_level=0){
        $v_result = true;
        clearstatcache();
        $this->privErrorReset();
        if (!is_file($this->zipname)){
            PclZip::privErrorLog(PCLZIP_ERR_MISSING_FILE,"Missing archive file '".$this->zipname."'");
            return(false);
        }
        if (!is_readable($this->zipname)){
            PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL,"Unable to read archive '".$this->zipname."'");
            return(false);
        }
        return $v_result;
    }
    function privParseOptions(&$p_options_list,$p_size,&$v_result_list,$v_requested_options=false){
        $v_result=1;
        $i=0;
        while ($i<$p_size){
            if (!isset($v_requested_options[$p_options_list[$i]])){
                PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,"Invalid optional parameter '".$p_options_list[$i]."' for this method");
                return PclZip::errorCode();
            }
            switch ($p_options_list[$i]){
                case PCLZIP_OPT_PATH :
                case PCLZIP_OPT_REMOVE_PATH :
                case PCLZIP_OPT_ADD_PATH :
                    if (($i+1) >= $p_size){
                        PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE,"Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");
                        return PclZip::errorCode();
                    }
                    $v_result_list[$p_options_list[$i]] = PclZipUtilTranslateWinPath($p_options_list[$i+1],FALSE);
                    $i++;
                    break;
                case PCLZIP_OPT_TEMP_FILE_THRESHOLD :
                    if (($i+1) >= $p_size){
                        PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE,"Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");
                        return PclZip::errorCode();
                    }
                    if (isset($v_result_list[PCLZIP_OPT_TEMP_FILE_OFF])){
                        PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,"Option '".PclZipUtilOptionText($p_options_list[$i])."' can not be used with option 'PCLZIP_OPT_TEMP_FILE_OFF'");
                        return PclZip::errorCode();
                    }
                    $v_value = $p_options_list[$i+1];
                    if ((!is_integer($v_value)) ||($v_value<0)){
                        PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE,"Integer expected for option '".PclZipUtilOptionText($p_options_list[$i])."'");
                        return PclZip::errorCode();
                    }
                    $v_result_list[$p_options_list[$i]] = $v_value*1048576;
                    $i++;
                    break;
                case PCLZIP_OPT_TEMP_FILE_ON :
                    if (isset($v_result_list[PCLZIP_OPT_TEMP_FILE_OFF])){
                        PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,"Option '".PclZipUtilOptionText($p_options_list[$i])."' can not be used with option 'PCLZIP_OPT_TEMP_FILE_OFF'");
                        return PclZip::errorCode();
                    }
                    $v_result_list[$p_options_list[$i]] = true;
                    break;
                case PCLZIP_OPT_TEMP_FILE_OFF :
                    if (isset($v_result_list[PCLZIP_OPT_TEMP_FILE_ON])){
                        PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,"Option '".PclZipUtilOptionText($p_options_list[$i])."' can not be used with option 'PCLZIP_OPT_TEMP_FILE_ON'");
                        return PclZip::errorCode();
                    }
                    if (isset($v_result_list[PCLZIP_OPT_TEMP_FILE_THRESHOLD])){
                        PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,"Option '".PclZipUtilOptionText($p_options_list[$i])."' can not be used with option 'PCLZIP_OPT_TEMP_FILE_THRESHOLD'");
                        return PclZip::errorCode();
                    }
                    $v_result_list[$p_options_list[$i]] = true;
                    break;
                case PCLZIP_OPT_EXTRACT_DIR_RESTRICTION :
                    if (($i+1) >= $p_size){
                        PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE,"Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");
                        return PclZip::errorCode();
                    }
                    if (   is_string($p_options_list[$i+1])
                    &&($p_options_list[$i+1] != '')){
                        $v_result_list[$p_options_list[$i]] = PclZipUtilTranslateWinPath($p_options_list[$i+1],FALSE);
                        $i++;
                    }
                    else {
                    }
                    break;
                case PCLZIP_OPT_BY_NAME :
                    if (($i+1) >= $p_size){
                        PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE,"Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");
                        return PclZip::errorCode();
                    }
                    if (is_string($p_options_list[$i+1])){
                        $v_result_list[$p_options_list[$i]][0] = $p_options_list[$i+1];
                    }
                    else if (is_array($p_options_list[$i+1])){
                        $v_result_list[$p_options_list[$i]] = $p_options_list[$i+1];
                    }
                    else {
                        PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE,"Wrong parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");
                        return PclZip::errorCode();
                    }
                    $i++;
                    break;
                case PCLZIP_OPT_BY_EREG :
                    $p_options_list[$i] = PCLZIP_OPT_BY_PREG;
                case PCLZIP_OPT_BY_PREG :
                    if (($i+1) >= $p_size){
                        PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE,"Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");
                        return PclZip::errorCode();
                    }
                    if (is_string($p_options_list[$i+1])){
                        $v_result_list[$p_options_list[$i]] = $p_options_list[$i+1];
                    }
                    else {
                        PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE,"Wrong parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");
                        return PclZip::errorCode();
                    }
                    $i++;
                    break;
                case PCLZIP_OPT_COMMENT :
                case PCLZIP_OPT_ADD_COMMENT :
                case PCLZIP_OPT_PREPEND_COMMENT :
                    if (($i+1) >= $p_size){
                        PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE,
                        "Missing parameter value for option '"
                        .PclZipUtilOptionText($p_options_list[$i])
                        ."'");
                        return PclZip::errorCode();
                    }
                    if (is_string($p_options_list[$i+1])){
                        $v_result_list[$p_options_list[$i]] = $p_options_list[$i+1];
                    }
                    else {
                        PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE,
                        "Wrong parameter value for option '"
                        .PclZipUtilOptionText($p_options_list[$i])
                        ."'");
                        return PclZip::errorCode();
                    }
                    $i++;
                    break;
                case PCLZIP_OPT_BY_INDEX :
                    if (($i+1) >= $p_size){
                        PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE,"Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");
                        return PclZip::errorCode();
                    }
                    $v_work_list = array();
                    if (is_string($p_options_list[$i+1])){
                        $p_options_list[$i+1] = strtr($p_options_list[$i+1],' ','');
                        $v_work_list = explode(",",$p_options_list[$i+1]);
                    }
                    else if (is_integer($p_options_list[$i+1])){
                        $v_work_list[0] = $p_options_list[$i+1].'-'.$p_options_list[$i+1];
                    }
                    else if (is_array($p_options_list[$i+1])){
                        $v_work_list = $p_options_list[$i+1];
                    }
                    else {
                        PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE,"Value must be integer, string or array for option '".PclZipUtilOptionText($p_options_list[$i])."'");
                        return PclZip::errorCode();
                    }
                    $v_sort_flag=false;
                    $v_sort_value=0;
                    for ($j=0;$j<sizeof($v_work_list);$j++){
                        $v_item_list = explode("-",$v_work_list[$j]);
                        $v_size_item_list = sizeof($v_item_list);
                        if ($v_size_item_list == 1){
                            $v_result_list[$p_options_list[$i]][$j]['start'] = $v_item_list[0];
                            $v_result_list[$p_options_list[$i]][$j]['end'] = $v_item_list[0];
                        }
                        elseif ($v_size_item_list == 2){
                            $v_result_list[$p_options_list[$i]][$j]['start'] = $v_item_list[0];
                            $v_result_list[$p_options_list[$i]][$j]['end'] = $v_item_list[1];
                        }
                        else {
                            PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE,"Too many values in index range for option '".PclZipUtilOptionText($p_options_list[$i])."'");
                            return PclZip::errorCode();
                        }
                        if ($v_result_list[$p_options_list[$i]][$j]['start'] <$v_sort_value){
                            $v_sort_flag=true;
                            PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE,"Invalid order of index range for option '".PclZipUtilOptionText($p_options_list[$i])."'");
                            return PclZip::errorCode();
                        }
                        $v_sort_value = $v_result_list[$p_options_list[$i]][$j]['start'];
                    }
                    if ($v_sort_flag){
                    }
                    $i++;
                    break;
                case PCLZIP_OPT_REMOVE_ALL_PATH :
                case PCLZIP_OPT_EXTRACT_AS_STRING :
                case PCLZIP_OPT_NO_COMPRESSION :
                case PCLZIP_OPT_EXTRACT_IN_OUTPUT :
                case PCLZIP_OPT_REPLACE_NEWER :
                case PCLZIP_OPT_STOP_ON_ERROR :
                    $v_result_list[$p_options_list[$i]] = true;
                    break;
                case PCLZIP_OPT_SET_CHMOD :
                    if (($i+1) >= $p_size){
                        PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE,"Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");
                        return PclZip::errorCode();
                    }
                    $v_result_list[$p_options_list[$i]] = $p_options_list[$i+1];
                    $i++;
                    break;
                case PCLZIP_CB_PRE_EXTRACT :
                case PCLZIP_CB_POST_EXTRACT :
                case PCLZIP_CB_PRE_ADD :
                case PCLZIP_CB_POST_ADD :
                    if (($i+1) >= $p_size){
                        PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE,"Missing parameter value for option '".PclZipUtilOptionText($p_options_list[$i])."'");
                        return PclZip::errorCode();
                    }
                    $v_function_name = $p_options_list[$i+1];
                    if (!function_exists($v_function_name)){
                        PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE,"Function '".$v_function_name."()' is not an existing function for option '".PclZipUtilOptionText($p_options_list[$i])."'");
                        return PclZip::errorCode();
                    }
                    $v_result_list[$p_options_list[$i]] = $v_function_name;
                    $i++;
                    break;
                default :
                    PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,
                    "Unknown parameter '"
                    .$p_options_list[$i]."'");
                    return PclZip::errorCode();
            }
            $i++;
        }
        if ($v_requested_options !== false){
            for ($key=reset($v_requested_options);$key=key($v_requested_options);$key=next($v_requested_options)){
                if ($v_requested_options[$key] == 'mandatory'){
                    if (!isset($v_result_list[$key])){
                        PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,"Missing mandatory parameter ".PclZipUtilOptionText($key)."(".$key.")");
                        return PclZip::errorCode();
                    }
                }
            }
        }
        if (!isset($v_result_list[PCLZIP_OPT_TEMP_FILE_THRESHOLD])){
        }
        return $v_result;
    }
    function privOptionDefaultThreshold(&$p_options){
        $v_result=1;
        if (isset($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD])
        ||isset($p_options[PCLZIP_OPT_TEMP_FILE_OFF])){
            return $v_result;
        }
        $v_memory_limit = ini_get('memory_limit');
        $v_memory_limit = trim($v_memory_limit);
        $last = strtolower(substr($v_memory_limit,-1));
        if($last == 'g')
        $v_memory_limit = $v_memory_limit*1073741824;
        if($last == 'm')
        $v_memory_limit = $v_memory_limit*1048576;
        if($last == 'k')
        $v_memory_limit = $v_memory_limit*1024;
        $p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD] = floor($v_memory_limit*PCLZIP_TEMPORARY_FILE_RATIO);
        if ($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD] <1048576){
            unset($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD]);
        }
        return $v_result;
    }
    function privFileDescrParseAtt(&$p_file_list,&$p_filedescr,$v_options,$v_requested_options=false){
        $v_result=1;
        foreach ($p_file_list as $v_key =>$v_value){
            if (!isset($v_requested_options[$v_key])){
                PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,"Invalid file attribute '".$v_key."' for this file");
                return PclZip::errorCode();
            }
            switch ($v_key){
                case PCLZIP_ATT_FILE_NAME :
                    if (!is_string($v_value)){
                        PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE,"Invalid type ".gettype($v_value).". String expected for attribute '".PclZipUtilOptionText($v_key)."'");
                        return PclZip::errorCode();
                    }
                    $p_filedescr['filename'] = PclZipUtilPathReduction($v_value);
                    if ($p_filedescr['filename'] == ''){
                        PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE,"Invalid empty filename for attribute '".PclZipUtilOptionText($v_key)."'");
                        return PclZip::errorCode();
                    }
                    break;
                case PCLZIP_ATT_FILE_NEW_SHORT_NAME :
                    if (!is_string($v_value)){
                        PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE,"Invalid type ".gettype($v_value).". String expected for attribute '".PclZipUtilOptionText($v_key)."'");
                        return PclZip::errorCode();
                    }
                    $p_filedescr['new_short_name'] = PclZipUtilPathReduction($v_value);
                    if ($p_filedescr['new_short_name'] == ''){
                        PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE,"Invalid empty short filename for attribute '".PclZipUtilOptionText($v_key)."'");
                        return PclZip::errorCode();
                    }
                    break;
                case PCLZIP_ATT_FILE_NEW_FULL_NAME :
                    if (!is_string($v_value)){
                        PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE,"Invalid type ".gettype($v_value).". String expected for attribute '".PclZipUtilOptionText($v_key)."'");
                        return PclZip::errorCode();
                    }
                    $p_filedescr['new_full_name'] = PclZipUtilPathReduction($v_value);
                    if ($p_filedescr['new_full_name'] == ''){
                        PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE,"Invalid empty full filename for attribute '".PclZipUtilOptionText($v_key)."'");
                        return PclZip::errorCode();
                    }
                    break;
                case PCLZIP_ATT_FILE_COMMENT :
                    if (!is_string($v_value)){
                        PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE,"Invalid type ".gettype($v_value).". String expected for attribute '".PclZipUtilOptionText($v_key)."'");
                        return PclZip::errorCode();
                    }
                    $p_filedescr['comment'] = $v_value;
                    break;
                case PCLZIP_ATT_FILE_MTIME :
                    if (!is_integer($v_value)){
                        PclZip::privErrorLog(PCLZIP_ERR_INVALID_ATTRIBUTE_VALUE,"Invalid type ".gettype($v_value).". Integer expected for attribute '".PclZipUtilOptionText($v_key)."'");
                        return PclZip::errorCode();
                    }
                    $p_filedescr['mtime'] = $v_value;
                    break;
                case PCLZIP_ATT_FILE_CONTENT :
                    $p_filedescr['content'] = $v_value;
                    break;
                default :
                    PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,
                    "Unknown parameter '".$v_key."'");
                    return PclZip::errorCode();
            }
            if ($v_requested_options !== false){
                for ($key=reset($v_requested_options);$key=key($v_requested_options);$key=next($v_requested_options)){
                    if ($v_requested_options[$key] == 'mandatory'){
                        if (!isset($p_file_list[$key])){
                            PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,"Missing mandatory parameter ".PclZipUtilOptionText($key)."(".$key.")");
                            return PclZip::errorCode();
                        }
                    }
                }
            }
        }
        return $v_result;
    }
    function privFileDescrExpand(&$p_filedescr_list,&$p_options){
        $v_result=1;
        $v_result_list = array();
        for ($i=0;$i<sizeof($p_filedescr_list);$i++){
            $v_descr = $p_filedescr_list[$i];
            $v_descr['filename'] = PclZipUtilTranslateWinPath($v_descr['filename'],false);
            $v_descr['filename'] = PclZipUtilPathReduction($v_descr['filename']);
            if (file_exists($v_descr['filename'])){
                if (@is_file($v_descr['filename'])){
                    $v_descr['type'] = 'file';
                }
                else if (@is_dir($v_descr['filename'])){
                    $v_descr['type'] = 'folder';
                }
                else if (@is_link($v_descr['filename'])){
                    continue;
                }
                else {
                    continue;
                }
            }
            else if (isset($v_descr['content'])){
                $v_descr['type'] = 'virtual_file';
            }
            else {
                PclZip::privErrorLog(PCLZIP_ERR_MISSING_FILE,"File '".$v_descr['filename']."' does not exist");
                return PclZip::errorCode();
            }
            $this->privCalculateStoredFilename($v_descr,$p_options);
            $v_result_list[sizeof($v_result_list)] = $v_descr;
            if ($v_descr['type'] == 'folder'){
                $v_dirlist_descr = array();
                $v_dirlist_nb = 0;
                if ($v_folder_handler = @opendir($v_descr['filename'])){
                    while (($v_item_handler = @readdir($v_folder_handler)) !== false){
                        if (($v_item_handler == '.') ||($v_item_handler == '..')){
                            continue;
                        }
                        $v_dirlist_descr[$v_dirlist_nb]['filename'] = $v_descr['filename'].'/'.$v_item_handler;
                        if (($v_descr['stored_filename'] != $v_descr['filename'])
                        &&(!isset($p_options[PCLZIP_OPT_REMOVE_ALL_PATH]))){
                            if ($v_descr['stored_filename'] != ''){
                                $v_dirlist_descr[$v_dirlist_nb]['new_full_name'] = $v_descr['stored_filename'].'/'.$v_item_handler;
                            }
                            else {
                                $v_dirlist_descr[$v_dirlist_nb]['new_full_name'] = $v_item_handler;
                            }
                        }
                        $v_dirlist_nb++;
                    }
                    @closedir($v_folder_handler);
                }
                else {
                }
                if ($v_dirlist_nb != 0){
                    if (($v_result = $this->privFileDescrExpand($v_dirlist_descr,$p_options)) != 1){
                        return $v_result;
                    }
                    $v_result_list = array_merge($v_result_list,$v_dirlist_descr);
                }
                else {
                }
                unset($v_dirlist_descr);
            }
        }
        $p_filedescr_list = $v_result_list;
        return $v_result;
    }
    function privCreate($p_filedescr_list,&$p_result_list,&$p_options){
        $v_result=1;
        $v_list_detail = array();
        $this->privDisableMagicQuotes();
        if (($v_result = $this->privOpenFd('wb')) != 1)
        {
            return $v_result;
        }
        $v_result = $this->privAddList($p_filedescr_list,$p_result_list,$p_options);
        $this->privCloseFd();
        $this->privSwapBackMagicQuotes();
        return $v_result;
    }
    function privAdd($p_filedescr_list,&$p_result_list,&$p_options){
        $v_result=1;
        $v_list_detail = array();
        if ((!is_file($this->zipname)) ||(filesize($this->zipname) == 0))
        {
            $v_result = $this->privCreate($p_filedescr_list,$p_result_list,$p_options);
            return $v_result;
        }
        $this->privDisableMagicQuotes();
        if (($v_result=$this->privOpenFd('rb')) != 1)
        {
            $this->privSwapBackMagicQuotes();
            return $v_result;
        }
        $v_central_dir = array();
        if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1)
        {
            $this->privCloseFd();
            $this->privSwapBackMagicQuotes();
            return $v_result;
        }
        @rewind($this->zip_fd);
        $v_zip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.tmp';
        if (($v_zip_temp_fd = @fopen($v_zip_temp_name,'wb')) == 0)
        {
            $this->privCloseFd();
            $this->privSwapBackMagicQuotes();
            PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL,'Unable to open temporary file \''.$v_zip_temp_name.'\' in binary write mode');
            return PclZip::errorCode();
        }
        $v_size = $v_central_dir['offset'];
        while ($v_size != 0)
        {
            $v_read_size = ($v_size <PCLZIP_READ_BLOCK_SIZE ?$v_size : PCLZIP_READ_BLOCK_SIZE);
            $v_buffer = fread($this->zip_fd,$v_read_size);
            @fwrite($v_zip_temp_fd,$v_buffer,$v_read_size);
            $v_size -= $v_read_size;
        }
        $v_swap = $this->zip_fd;
        $this->zip_fd = $v_zip_temp_fd;
        $v_zip_temp_fd = $v_swap;
        $v_header_list = array();
        if (($v_result = $this->privAddFileList($p_filedescr_list,$v_header_list,$p_options)) != 1)
        {
            fclose($v_zip_temp_fd);
            $this->privCloseFd();
            @unlink($v_zip_temp_name);
            $this->privSwapBackMagicQuotes();
            return $v_result;
        }
        $v_offset = @ftell($this->zip_fd);
        $v_size = $v_central_dir['size'];
        while ($v_size != 0)
        {
            $v_read_size = ($v_size <PCLZIP_READ_BLOCK_SIZE ?$v_size : PCLZIP_READ_BLOCK_SIZE);
            $v_buffer = @fread($v_zip_temp_fd,$v_read_size);
            @fwrite($this->zip_fd,$v_buffer,$v_read_size);
            $v_size -= $v_read_size;
        }
        for ($i=0,$v_count=0;$i<sizeof($v_header_list);$i++)
        {
            if ($v_header_list[$i]['status'] == 'ok'){
                if (($v_result = $this->privWriteCentralFileHeader($v_header_list[$i])) != 1){
                    fclose($v_zip_temp_fd);
                    $this->privCloseFd();
                    @unlink($v_zip_temp_name);
                    $this->privSwapBackMagicQuotes();
                    return $v_result;
                }
                $v_count++;
            }
            $this->privConvertHeader2FileInfo($v_header_list[$i],$p_result_list[$i]);
        }
        $v_comment = $v_central_dir['comment'];
        if (isset($p_options[PCLZIP_OPT_COMMENT])){
            $v_comment = $p_options[PCLZIP_OPT_COMMENT];
        }
        if (isset($p_options[PCLZIP_OPT_ADD_COMMENT])){
            $v_comment = $v_comment.$p_options[PCLZIP_OPT_ADD_COMMENT];
        }
        if (isset($p_options[PCLZIP_OPT_PREPEND_COMMENT])){
            $v_comment = $p_options[PCLZIP_OPT_PREPEND_COMMENT].$v_comment;
        }
        $v_size = @ftell($this->zip_fd)-$v_offset;
        if (($v_result = $this->privWriteCentralHeader($v_count+$v_central_dir['entries'],$v_size,$v_offset,$v_comment)) != 1)
        {
            unset($v_header_list);
            $this->privSwapBackMagicQuotes();
            return $v_result;
        }
        $v_swap = $this->zip_fd;
        $this->zip_fd = $v_zip_temp_fd;
        $v_zip_temp_fd = $v_swap;
        $this->privCloseFd();
        @fclose($v_zip_temp_fd);
        $this->privSwapBackMagicQuotes();
        @unlink($this->zipname);
        PclZipUtilRename($v_zip_temp_name,$this->zipname);
        return $v_result;
    }
    function privOpenFd($p_mode){
        $v_result=1;
        if ($this->zip_fd != 0)
        {
            PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL,'Zip file \''.$this->zipname.'\' already open');
            return PclZip::errorCode();
        }
        if (($this->zip_fd = @fopen($this->zipname,$p_mode)) == 0)
        {
            PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL,'Unable to open archive \''.$this->zipname.'\' in '.$p_mode.' mode');
            return PclZip::errorCode();
        }
        return $v_result;
    }
    function privCloseFd(){
        $v_result=1;
        if ($this->zip_fd != 0)
        @fclose($this->zip_fd);
        $this->zip_fd = 0;
        return $v_result;
    }
    function privAddList($p_filedescr_list,&$p_result_list,&$p_options){
        $v_result=1;
        $v_header_list = array();
        if (($v_result = $this->privAddFileList($p_filedescr_list,$v_header_list,$p_options)) != 1)
        {
            return $v_result;
        }
        $v_offset = @ftell($this->zip_fd);
        for ($i=0,$v_count=0;$i<sizeof($v_header_list);$i++)
        {
            if ($v_header_list[$i]['status'] == 'ok'){
                if (($v_result = $this->privWriteCentralFileHeader($v_header_list[$i])) != 1){
                    return $v_result;
                }
                $v_count++;
            }
            $this->privConvertHeader2FileInfo($v_header_list[$i],$p_result_list[$i]);
        }
        $v_comment = '';
        if (isset($p_options[PCLZIP_OPT_COMMENT])){
            $v_comment = $p_options[PCLZIP_OPT_COMMENT];
        }
        $v_size = @ftell($this->zip_fd)-$v_offset;
        if (($v_result = $this->privWriteCentralHeader($v_count,$v_size,$v_offset,$v_comment)) != 1)
        {
            unset($v_header_list);
            return $v_result;
        }
        return $v_result;
    }
    function privAddFileList($p_filedescr_list,&$p_result_list,&$p_options){
        $v_result=1;
        $v_header = array();
        $v_nb = sizeof($p_result_list);
        for ($j=0;($j<sizeof($p_filedescr_list)) &&($v_result==1);$j++){
            $p_filedescr_list[$j]['filename']
            = PclZipUtilTranslateWinPath($p_filedescr_list[$j]['filename'],false);
            if ($p_filedescr_list[$j]['filename'] == ""){
                continue;
            }
            if (   ($p_filedescr_list[$j]['type'] != 'virtual_file')
            &&(!file_exists($p_filedescr_list[$j]['filename']))){
                PclZip::privErrorLog(PCLZIP_ERR_MISSING_FILE,"File '".$p_filedescr_list[$j]['filename']."' does not exist");
                return PclZip::errorCode();
            }
            if (   ($p_filedescr_list[$j]['type'] == 'file')
            ||($p_filedescr_list[$j]['type'] == 'virtual_file')
            ||(   ($p_filedescr_list[$j]['type'] == 'folder')
            &&(   !isset($p_options[PCLZIP_OPT_REMOVE_ALL_PATH])
            ||!$p_options[PCLZIP_OPT_REMOVE_ALL_PATH]))
            ){
                $v_result = $this->privAddFile($p_filedescr_list[$j],$v_header,
                $p_options);
                if ($v_result != 1){
                    return $v_result;
                }
                $p_result_list[$v_nb++] = $v_header;
            }
        }
        return $v_result;
    }
    function privAddFile($p_filedescr,&$p_header,&$p_options){
        $v_result=1;
        $p_filename = $p_filedescr['filename'];
        if ($p_filename == ""){
            PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,"Invalid file list parameter (invalid or empty list)");
            return PclZip::errorCode();
        }
        clearstatcache();
        $p_header['version'] = 20;
        $p_header['version_extracted'] = 10;
        $p_header['flag'] = 0;
        $p_header['compression'] = 0;
        $p_header['crc'] = 0;
        $p_header['compressed_size'] = 0;
        $p_header['filename_len'] = strlen($p_filename);
        $p_header['extra_len'] = 0;
        $p_header['disk'] = 0;
        $p_header['internal'] = 0;
        $p_header['offset'] = 0;
        $p_header['filename'] = $p_filename;
        $p_header['stored_filename'] = $p_filedescr['stored_filename'];
        $p_header['extra'] = '';
        $p_header['status'] = 'ok';
        $p_header['index'] = -1;
        if ($p_filedescr['type']=='file'){
            $p_header['external'] = 0x00000000;
            $p_header['size'] = filesize($p_filename);
        }
        else if ($p_filedescr['type']=='folder'){
            $p_header['external'] = 0x00000010;
            $p_header['mtime'] = filemtime($p_filename);
            $p_header['size'] = filesize($p_filename);
        }
        else if ($p_filedescr['type'] == 'virtual_file'){
            $p_header['external'] = 0x00000000;
            $p_header['size'] = strlen($p_filedescr['content']);
        }
        if (isset($p_filedescr['mtime'])){
            $p_header['mtime'] = $p_filedescr['mtime'];
        }
        else if ($p_filedescr['type'] == 'virtual_file'){
            $p_header['mtime'] = time();
        }
        else {
            $p_header['mtime'] = filemtime($p_filename);
        }
        if (isset($p_filedescr['comment'])){
            $p_header['comment_len'] = strlen($p_filedescr['comment']);
            $p_header['comment'] = $p_filedescr['comment'];
        }
        else {
            $p_header['comment_len'] = 0;
            $p_header['comment'] = '';
        }
        if (isset($p_options[PCLZIP_CB_PRE_ADD])){
            $v_local_header = array();
            $this->privConvertHeader2FileInfo($p_header,$v_local_header);
            $v_result = $p_options[PCLZIP_CB_PRE_ADD](PCLZIP_CB_PRE_ADD,$v_local_header);
            if ($v_result == 0){
                $p_header['status'] = "skipped";
                $v_result = 1;
            }
            if ($p_header['stored_filename'] != $v_local_header['stored_filename']){
                $p_header['stored_filename'] = PclZipUtilPathReduction($v_local_header['stored_filename']);
            }
        }
        if ($p_header['stored_filename'] == ""){
            $p_header['status'] = "filtered";
        }
        if (strlen($p_header['stored_filename']) >0xFF){
            $p_header['status'] = 'filename_too_long';
        }
        if ($p_header['status'] == 'ok'){
            if ($p_filedescr['type'] == 'file'){
                if ( (!isset($p_options[PCLZIP_OPT_TEMP_FILE_OFF]))
                &&(isset($p_options[PCLZIP_OPT_TEMP_FILE_ON])
                ||(isset($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD])
                &&($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD] <= $p_header['size'])) ) ){
                    $v_result = $this->privAddFileUsingTempFile($p_filedescr,$p_header,$p_options);
                    if ($v_result <PCLZIP_ERR_NO_ERROR){
                        return $v_result;
                    }
                }
                else {
                    if (($v_file = @fopen($p_filename,"rb")) == 0){
                        PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL,"Unable to open file '$p_filename' in binary read mode");
                        return PclZip::errorCode();
                    }
                    $v_content = @fread($v_file,$p_header['size']);
                    @fclose($v_file);
                    $p_header['crc'] = @crc32($v_content);
                    if ($p_options[PCLZIP_OPT_NO_COMPRESSION]){
                        $p_header['compressed_size'] = $p_header['size'];
                        $p_header['compression'] = 0;
                    }
                    else {
                        $v_content = @gzdeflate($v_content);
                        $p_header['compressed_size'] = strlen($v_content);
                        $p_header['compression'] = 8;
                    }
                    if (($v_result = $this->privWriteFileHeader($p_header)) != 1){
                        @fclose($v_file);
                        return $v_result;
                    }
                    @fwrite($this->zip_fd,$v_content,$p_header['compressed_size']);
                }
            }
            else if ($p_filedescr['type'] == 'virtual_file'){
                $v_content = $p_filedescr['content'];
                $p_header['crc'] = @crc32($v_content);
                if ($p_options[PCLZIP_OPT_NO_COMPRESSION]){
                    $p_header['compressed_size'] = $p_header['size'];
                    $p_header['compression'] = 0;
                }
                else {
                    $v_content = @gzdeflate($v_content);
                    $p_header['compressed_size'] = strlen($v_content);
                    $p_header['compression'] = 8;
                }
                if (($v_result = $this->privWriteFileHeader($p_header)) != 1){
                    @fclose($v_file);
                    return $v_result;
                }
                @fwrite($this->zip_fd,$v_content,$p_header['compressed_size']);
            }
            else if ($p_filedescr['type'] == 'folder'){
                if (@substr($p_header['stored_filename'],-1) != '/'){
                    $p_header['stored_filename'] .= '/';
                }
                $p_header['size'] = 0;
                $p_header['external'] = 0x00000010;
                if (($v_result = $this->privWriteFileHeader($p_header)) != 1)
                {
                    return $v_result;
                }
            }
        }
        if (isset($p_options[PCLZIP_CB_POST_ADD])){
            $v_local_header = array();
            $this->privConvertHeader2FileInfo($p_header,$v_local_header);
            $v_result = $p_options[PCLZIP_CB_POST_ADD](PCLZIP_CB_POST_ADD,$v_local_header);
            if ($v_result == 0){
                $v_result = 1;
            }
        }
        return $v_result;
    }
    function privAddFileUsingTempFile($p_filedescr,&$p_header,&$p_options){
        $v_result=PCLZIP_ERR_NO_ERROR;
        $p_filename = $p_filedescr['filename'];
        if (($v_file = @fopen($p_filename,"rb")) == 0){
            PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL,"Unable to open file '$p_filename' in binary read mode");
            return PclZip::errorCode();
        }
        $v_gzip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.gz';
        if (($v_file_compressed = @gzopen($v_gzip_temp_name,"wb")) == 0){
            fclose($v_file);
            PclZip::privErrorLog(PCLZIP_ERR_WRITE_OPEN_FAIL,'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary write mode');
            return PclZip::errorCode();
        }
        $v_size = filesize($p_filename);
        while ($v_size != 0){
            $v_read_size = ($v_size <PCLZIP_READ_BLOCK_SIZE ?$v_size : PCLZIP_READ_BLOCK_SIZE);
            $v_buffer = @fread($v_file,$v_read_size);
            @gzputs($v_file_compressed,$v_buffer,$v_read_size);
            $v_size -= $v_read_size;
        }
        @fclose($v_file);
        @gzclose($v_file_compressed);
        if (filesize($v_gzip_temp_name) <18){
            PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT,'gzip temporary file \''.$v_gzip_temp_name.'\' has invalid filesize - should be minimum 18 bytes');
            return PclZip::errorCode();
        }
        if (($v_file_compressed = @fopen($v_gzip_temp_name,"rb")) == 0){
            PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL,'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary read mode');
            return PclZip::errorCode();
        }
        $v_binary_data = @fread($v_file_compressed,10);
        $v_data_header = unpack('a1id1/a1id2/a1cm/a1flag/Vmtime/a1xfl/a1os',$v_binary_data);
        $v_data_header['os'] = bin2hex($v_data_header['os']);
        @fseek($v_file_compressed,filesize($v_gzip_temp_name)-8);
        $v_binary_data = @fread($v_file_compressed,8);
        $v_data_footer = unpack('Vcrc/Vcompressed_size',$v_binary_data);
        $p_header['compression'] = ord($v_data_header['cm']);
        $p_header['crc'] = $v_data_footer['crc'];
        $p_header['compressed_size'] = filesize($v_gzip_temp_name)-18;
        @fclose($v_file_compressed);
        if (($v_result = $this->privWriteFileHeader($p_header)) != 1){
            return $v_result;
        }
        if (($v_file_compressed = @fopen($v_gzip_temp_name,"rb")) == 0)
        {
            PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL,'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary read mode');
            return PclZip::errorCode();
        }
        fseek($v_file_compressed,10);
        $v_size = $p_header['compressed_size'];
        while ($v_size != 0)
        {
            $v_read_size = ($v_size <PCLZIP_READ_BLOCK_SIZE ?$v_size : PCLZIP_READ_BLOCK_SIZE);
            $v_buffer = @fread($v_file_compressed,$v_read_size);
            @fwrite($this->zip_fd,$v_buffer,$v_read_size);
            $v_size -= $v_read_size;
        }
        @fclose($v_file_compressed);
        @unlink($v_gzip_temp_name);
        return $v_result;
    }
    function privCalculateStoredFilename(&$p_filedescr,&$p_options){
        $v_result=1;
        $p_filename = $p_filedescr['filename'];
        if (isset($p_options[PCLZIP_OPT_ADD_PATH])){
            $p_add_dir = $p_options[PCLZIP_OPT_ADD_PATH];
        }
        else {
            $p_add_dir = '';
        }
        if (isset($p_options[PCLZIP_OPT_REMOVE_PATH])){
            $p_remove_dir = $p_options[PCLZIP_OPT_REMOVE_PATH];
        }
        else {
            $p_remove_dir = '';
        }
        if (isset($p_options[PCLZIP_OPT_REMOVE_ALL_PATH])){
            $p_remove_all_dir = $p_options[PCLZIP_OPT_REMOVE_ALL_PATH];
        }
        else {
            $p_remove_all_dir = 0;
        }
        if (isset($p_filedescr['new_full_name'])){
            $v_stored_filename = PclZipUtilTranslateWinPath($p_filedescr['new_full_name']);
        }
        else {
            if (isset($p_filedescr['new_short_name'])){
                $v_path_info = pathinfo($p_filename);
                $v_dir = '';
                if ($v_path_info['dirname'] != ''){
                    $v_dir = $v_path_info['dirname'].'/';
                }
                $v_stored_filename = $v_dir.$p_filedescr['new_short_name'];
            }
            else {
                $v_stored_filename = $p_filename;
            }
            if ($p_remove_all_dir){
                $v_stored_filename = basename($p_filename);
            }
            else if ($p_remove_dir != ""){
                if (substr($p_remove_dir,-1) != '/')
                $p_remove_dir .= "/";
                if (   (substr($p_filename,0,2) == "./")
                ||(substr($p_remove_dir,0,2) == "./")){
                    if (   (substr($p_filename,0,2) == "./")
                    &&(substr($p_remove_dir,0,2) != "./")){
                        $p_remove_dir = "./".$p_remove_dir;
                    }
                    if (   (substr($p_filename,0,2) != "./")
                    &&(substr($p_remove_dir,0,2) == "./")){
                        $p_remove_dir = substr($p_remove_dir,2);
                    }
                }
                $v_compare = PclZipUtilPathInclusion($p_remove_dir,
                $v_stored_filename);
                if ($v_compare >0){
                    if ($v_compare == 2){
                        $v_stored_filename = "";
                    }
                    else {
                        $v_stored_filename = substr($v_stored_filename,
                        strlen($p_remove_dir));
                    }
                }
            }
            $v_stored_filename = PclZipUtilTranslateWinPath($v_stored_filename);
            if ($p_add_dir != ""){
                if (substr($p_add_dir,-1) == "/")
                $v_stored_filename = $p_add_dir.$v_stored_filename;
                else
                $v_stored_filename = $p_add_dir."/".$v_stored_filename;
            }
        }
        $v_stored_filename = PclZipUtilPathReduction($v_stored_filename);
        $p_filedescr['stored_filename'] = $v_stored_filename;
        return $v_result;
    }
    function privWriteFileHeader(&$p_header){
        $v_result=1;
        $p_header['offset'] = ftell($this->zip_fd);
        $v_date = getdate($p_header['mtime']);
        $v_mtime = ($v_date['hours']<<11) +($v_date['minutes']<<5) +$v_date['seconds']/2;
        $v_mdate = (($v_date['year']-1980)<<9) +($v_date['mon']<<5) +$v_date['mday'];
        $v_binary_data = pack("VvvvvvVVVvv",0x04034b50,
        $p_header['version_extracted'],$p_header['flag'],
        $p_header['compression'],$v_mtime,$v_mdate,
        $p_header['crc'],$p_header['compressed_size'],
        $p_header['size'],
        strlen($p_header['stored_filename']),
        $p_header['extra_len']);
        fputs($this->zip_fd,$v_binary_data,30);
        if (strlen($p_header['stored_filename']) != 0)
        {
            fputs($this->zip_fd,$p_header['stored_filename'],strlen($p_header['stored_filename']));
        }
        if ($p_header['extra_len'] != 0)
        {
            fputs($this->zip_fd,$p_header['extra'],$p_header['extra_len']);
        }
        return $v_result;
    }
    function privWriteCentralFileHeader(&$p_header){
        $v_result=1;
        $v_date = getdate($p_header['mtime']);
        $v_mtime = ($v_date['hours']<<11) +($v_date['minutes']<<5) +$v_date['seconds']/2;
        $v_mdate = (($v_date['year']-1980)<<9) +($v_date['mon']<<5) +$v_date['mday'];
        $v_binary_data = pack("VvvvvvvVVVvvvvvVV",0x02014b50,
        $p_header['version'],$p_header['version_extracted'],
        $p_header['flag'],$p_header['compression'],
        $v_mtime,$v_mdate,$p_header['crc'],
        $p_header['compressed_size'],$p_header['size'],
        strlen($p_header['stored_filename']),
        $p_header['extra_len'],$p_header['comment_len'],
        $p_header['disk'],$p_header['internal'],
        $p_header['external'],$p_header['offset']);
        fputs($this->zip_fd,$v_binary_data,46);
        if (strlen($p_header['stored_filename']) != 0)
        {
            fputs($this->zip_fd,$p_header['stored_filename'],strlen($p_header['stored_filename']));
        }
        if ($p_header['extra_len'] != 0)
        {
            fputs($this->zip_fd,$p_header['extra'],$p_header['extra_len']);
        }
        if ($p_header['comment_len'] != 0)
        {
            fputs($this->zip_fd,$p_header['comment'],$p_header['comment_len']);
        }
        return $v_result;
    }
    function privWriteCentralHeader($p_nb_entries,$p_size,$p_offset,$p_comment){
        $v_result=1;
        $v_binary_data = pack("VvvvvVVv",0x06054b50,0,0,$p_nb_entries,
        $p_nb_entries,$p_size,
        $p_offset,strlen($p_comment));
        fputs($this->zip_fd,$v_binary_data,22);
        if (strlen($p_comment) != 0)
        {
            fputs($this->zip_fd,$p_comment,strlen($p_comment));
        }
        return $v_result;
    }
    function privList(&$p_list){
        $v_result=1;
        $this->privDisableMagicQuotes();
        if (($this->zip_fd = @fopen($this->zipname,'rb')) == 0)
        {
            $this->privSwapBackMagicQuotes();
            PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL,'Unable to open archive \''.$this->zipname.'\' in binary read mode');
            return PclZip::errorCode();
        }
        $v_central_dir = array();
        if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1)
        {
            $this->privSwapBackMagicQuotes();
            return $v_result;
        }
        @rewind($this->zip_fd);
        if (@fseek($this->zip_fd,$v_central_dir['offset']))
        {
            $this->privSwapBackMagicQuotes();
            PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP,'Invalid archive size');
            return PclZip::errorCode();
        }
        for ($i=0;$i<$v_central_dir['entries'];$i++)
        {
            if (($v_result = $this->privReadCentralFileHeader($v_header)) != 1)
            {
                $this->privSwapBackMagicQuotes();
                return $v_result;
            }
            $v_header['index'] = $i;
            $this->privConvertHeader2FileInfo($v_header,$p_list[$i]);
            unset($v_header);
        }
        $this->privCloseFd();
        $this->privSwapBackMagicQuotes();
        return $v_result;
    }
    function privConvertHeader2FileInfo($p_header,&$p_info){
        $v_result=1;
        $v_temp_path = PclZipUtilPathReduction($p_header['filename']);
        $p_info['filename'] = $v_temp_path;
        $v_temp_path = PclZipUtilPathReduction($p_header['stored_filename']);
        $p_info['stored_filename'] = $v_temp_path;
        $p_info['size'] = $p_header['size'];
        $p_info['compressed_size'] = $p_header['compressed_size'];
        $p_info['mtime'] = $p_header['mtime'];
        $p_info['comment'] = $p_header['comment'];
        $p_info['folder'] = (($p_header['external']&0x00000010)==0x00000010);
        $p_info['index'] = $p_header['index'];
        $p_info['status'] = $p_header['status'];
        $p_info['crc'] = $p_header['crc'];
        return $v_result;
    }
    function privExtractByRule(&$p_file_list,$p_path,$p_remove_path,$p_remove_all_path,&$p_options){
        $v_result=1;
        $this->privDisableMagicQuotes();
        if (   ($p_path == "")
        ||(   (substr($p_path,0,1) != "/")
        &&(substr($p_path,0,3) != "../")
        &&(substr($p_path,1,2)!=":/")))
        $p_path = "./".$p_path;
        if (($p_path != "./") &&($p_path != "/"))
        {
            while (substr($p_path,-1) == "/")
            {
                $p_path = substr($p_path,0,strlen($p_path)-1);
            }
        }
        if (($p_remove_path != "") &&(substr($p_remove_path,-1) != '/'))
        {
            $p_remove_path .= '/';
        }
        $p_remove_path_size = strlen($p_remove_path);
        if (($v_result = $this->privOpenFd('rb')) != 1)
        {
            $this->privSwapBackMagicQuotes();
            return $v_result;
        }
        $v_central_dir = array();
        if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1)
        {
            $this->privCloseFd();
            $this->privSwapBackMagicQuotes();
            return $v_result;
        }
        $v_pos_entry = $v_central_dir['offset'];
        $j_start = 0;
        for ($i=0,$v_nb_extracted=0;$i<$v_central_dir['entries'];$i++)
        {
            @rewind($this->zip_fd);
            if (@fseek($this->zip_fd,$v_pos_entry))
            {
                $this->privCloseFd();
                $this->privSwapBackMagicQuotes();
                PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP,'Invalid archive size');
                return PclZip::errorCode();
            }
            $v_header = array();
            if (($v_result = $this->privReadCentralFileHeader($v_header)) != 1)
            {
                $this->privCloseFd();
                $this->privSwapBackMagicQuotes();
                return $v_result;
            }
            $v_header['index'] = $i;
            $v_pos_entry = ftell($this->zip_fd);
            $v_extract = false;
            if (   (isset($p_options[PCLZIP_OPT_BY_NAME]))
            &&($p_options[PCLZIP_OPT_BY_NAME] != 0)){
                for ($j=0;($j<sizeof($p_options[PCLZIP_OPT_BY_NAME])) &&(!$v_extract);$j++){
                    if (substr($p_options[PCLZIP_OPT_BY_NAME][$j],-1) == "/"){
                        if (   (strlen($v_header['stored_filename']) >strlen($p_options[PCLZIP_OPT_BY_NAME][$j]))
                        &&(substr($v_header['stored_filename'],0,strlen($p_options[PCLZIP_OPT_BY_NAME][$j])) == $p_options[PCLZIP_OPT_BY_NAME][$j])){
                            $v_extract = true;
                        }
                    }
                    elseif ($v_header['stored_filename'] == $p_options[PCLZIP_OPT_BY_NAME][$j]){
                        $v_extract = true;
                    }
                }
            }
            else if (   (isset($p_options[PCLZIP_OPT_BY_PREG]))
            &&($p_options[PCLZIP_OPT_BY_PREG] != "")){
                if (preg_match($p_options[PCLZIP_OPT_BY_PREG],$v_header['stored_filename'])){
                    $v_extract = true;
                }
            }
            else if (   (isset($p_options[PCLZIP_OPT_BY_INDEX]))
            &&($p_options[PCLZIP_OPT_BY_INDEX] != 0)){
                for ($j=$j_start;($j<sizeof($p_options[PCLZIP_OPT_BY_INDEX])) &&(!$v_extract);$j++){
                    if (($i>=$p_options[PCLZIP_OPT_BY_INDEX][$j]['start']) &&($i<=$p_options[PCLZIP_OPT_BY_INDEX][$j]['end'])){
                        $v_extract = true;
                    }
                    if ($i>=$p_options[PCLZIP_OPT_BY_INDEX][$j]['end']){
                        $j_start = $j+1;
                    }
                    if ($p_options[PCLZIP_OPT_BY_INDEX][$j]['start']>$i){
                        break;
                    }
                }
            }
            else {
                $v_extract = true;
            }
            if (   ($v_extract)
            &&(   ($v_header['compression'] != 8)
            &&($v_header['compression'] != 0))){
                $v_header['status'] = 'unsupported_compression';
                if (   (isset($p_options[PCLZIP_OPT_STOP_ON_ERROR]))
                &&($p_options[PCLZIP_OPT_STOP_ON_ERROR]===true)){
                    $this->privSwapBackMagicQuotes();
                    PclZip::privErrorLog(PCLZIP_ERR_UNSUPPORTED_COMPRESSION,
                    "Filename '".$v_header['stored_filename']."' is "
                    ."compressed by an unsupported compression "
                    ."method (".$v_header['compression'].") ");
                    return PclZip::errorCode();
                }
            }
            if (($v_extract) &&(($v_header['flag'] &1) == 1)){
                $v_header['status'] = 'unsupported_encryption';
                if (   (isset($p_options[PCLZIP_OPT_STOP_ON_ERROR]))
                &&($p_options[PCLZIP_OPT_STOP_ON_ERROR]===true)){
                    $this->privSwapBackMagicQuotes();
                    PclZip::privErrorLog(PCLZIP_ERR_UNSUPPORTED_ENCRYPTION,
                    "Unsupported encryption for "
                    ." filename '".$v_header['stored_filename']
                    ."'");
                    return PclZip::errorCode();
                }
            }
            if (($v_extract) &&($v_header['status'] != 'ok')){
                $v_result = $this->privConvertHeader2FileInfo($v_header,
                $p_file_list[$v_nb_extracted++]);
                if ($v_result != 1){
                    $this->privCloseFd();
                    $this->privSwapBackMagicQuotes();
                    return $v_result;
                }
                $v_extract = false;
            }
            if ($v_extract)
            {
                @rewind($this->zip_fd);
                if (@fseek($this->zip_fd,$v_header['offset']))
                {
                    $this->privCloseFd();
                    $this->privSwapBackMagicQuotes();
                    PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP,'Invalid archive size');
                    return PclZip::errorCode();
                }
                if ($p_options[PCLZIP_OPT_EXTRACT_AS_STRING]){
                    $v_string = '';
                    $v_result1 = $this->privExtractFileAsString($v_header,$v_string,$p_options);
                    if ($v_result1 <1){
                        $this->privCloseFd();
                        $this->privSwapBackMagicQuotes();
                        return $v_result1;
                    }
                    if (($v_result = $this->privConvertHeader2FileInfo($v_header,$p_file_list[$v_nb_extracted])) != 1)
                    {
                        $this->privCloseFd();
                        $this->privSwapBackMagicQuotes();
                        return $v_result;
                    }
                    $p_file_list[$v_nb_extracted]['content'] = $v_string;
                    $v_nb_extracted++;
                    if ($v_result1 == 2){
                        break;
                    }
                }
                elseif (   (isset($p_options[PCLZIP_OPT_EXTRACT_IN_OUTPUT]))
                &&($p_options[PCLZIP_OPT_EXTRACT_IN_OUTPUT])){
                    $v_result1 = $this->privExtractFileInOutput($v_header,$p_options);
                    if ($v_result1 <1){
                        $this->privCloseFd();
                        $this->privSwapBackMagicQuotes();
                        return $v_result1;
                    }
                    if (($v_result = $this->privConvertHeader2FileInfo($v_header,$p_file_list[$v_nb_extracted++])) != 1){
                        $this->privCloseFd();
                        $this->privSwapBackMagicQuotes();
                        return $v_result;
                    }
                    if ($v_result1 == 2){
                        break;
                    }
                }
                else {
                    $v_result1 = $this->privExtractFile($v_header,
                    $p_path,$p_remove_path,
                    $p_remove_all_path,
                    $p_options);
                    if ($v_result1 <1){
                        $this->privCloseFd();
                        $this->privSwapBackMagicQuotes();
                        return $v_result1;
                    }
                    if (($v_result = $this->privConvertHeader2FileInfo($v_header,$p_file_list[$v_nb_extracted++])) != 1)
                    {
                        $this->privCloseFd();
                        $this->privSwapBackMagicQuotes();
                        return $v_result;
                    }
                    if ($v_result1 == 2){
                        break;
                    }
                }
            }
        }
        $this->privCloseFd();
        $this->privSwapBackMagicQuotes();
        return $v_result;
    }
    function privExtractFile(&$p_entry,$p_path,$p_remove_path,$p_remove_all_path,&$p_options){
        $v_result=1;
        if (($v_result = $this->privReadFileHeader($v_header)) != 1)
        {
            return $v_result;
        }
        if ($this->privCheckFileHeaders($v_header,$p_entry) != 1){
        }
        if ($p_remove_all_path == true){
            if (($p_entry['external']&0x00000010)==0x00000010){
                $p_entry['status'] = "filtered";
                return $v_result;
            }
            $p_entry['filename'] = basename($p_entry['filename']);
        }
        else if ($p_remove_path != "")
        {
            if (PclZipUtilPathInclusion($p_remove_path,$p_entry['filename']) == 2)
            {
                $p_entry['status'] = "filtered";
                return $v_result;
            }
            $p_remove_path_size = strlen($p_remove_path);
            if (substr($p_entry['filename'],0,$p_remove_path_size) == $p_remove_path)
            {
                $p_entry['filename'] = substr($p_entry['filename'],$p_remove_path_size);
            }
        }
        if ($p_path != ''){
            $p_entry['filename'] = $p_path."/".$p_entry['filename'];
        }
        if (isset($p_options[PCLZIP_OPT_EXTRACT_DIR_RESTRICTION])){
            $v_inclusion
            = PclZipUtilPathInclusion($p_options[PCLZIP_OPT_EXTRACT_DIR_RESTRICTION],
            $p_entry['filename']);
            if ($v_inclusion == 0){
                PclZip::privErrorLog(PCLZIP_ERR_DIRECTORY_RESTRICTION,
                "Filename '".$p_entry['filename']."' is "
                ."outside PCLZIP_OPT_EXTRACT_DIR_RESTRICTION");
                return PclZip::errorCode();
            }
        }
        if (isset($p_options[PCLZIP_CB_PRE_EXTRACT])){
            $v_local_header = array();
            $this->privConvertHeader2FileInfo($p_entry,$v_local_header);
            $v_result = $p_options[PCLZIP_CB_PRE_EXTRACT](PCLZIP_CB_PRE_EXTRACT,$v_local_header);
            if ($v_result == 0){
                $p_entry['status'] = "skipped";
                $v_result = 1;
            }
            if ($v_result == 2){
                $p_entry['status'] = "aborted";
                $v_result = PCLZIP_ERR_USER_ABORTED;
            }
            $p_entry['filename'] = $v_local_header['filename'];
        }
        if ($p_entry['status'] == 'ok'){
            if (file_exists($p_entry['filename']))
            {
                if (is_dir($p_entry['filename']))
                {
                    $p_entry['status'] = "already_a_directory";
                    if (   (isset($p_options[PCLZIP_OPT_STOP_ON_ERROR]))
                    &&($p_options[PCLZIP_OPT_STOP_ON_ERROR]===true)){
                        PclZip::privErrorLog(PCLZIP_ERR_ALREADY_A_DIRECTORY,
                        "Filename '".$p_entry['filename']."' is "
                        ."already used by an existing directory");
                        return PclZip::errorCode();
                    }
                }
                else if (!is_writeable($p_entry['filename']))
                {
                    $p_entry['status'] = "write_protected";
                    if (   (isset($p_options[PCLZIP_OPT_STOP_ON_ERROR]))
                    &&($p_options[PCLZIP_OPT_STOP_ON_ERROR]===true)){
                        PclZip::privErrorLog(PCLZIP_ERR_WRITE_OPEN_FAIL,
                        "Filename '".$p_entry['filename']."' exists "
                        ."and is write protected");
                        return PclZip::errorCode();
                    }
                }
                else if (filemtime($p_entry['filename']) >$p_entry['mtime'])
                {
                    if (   (isset($p_options[PCLZIP_OPT_REPLACE_NEWER]))
                    &&($p_options[PCLZIP_OPT_REPLACE_NEWER]===true)){
                    }
                    else {
                        $p_entry['status'] = "newer_exist";
                        if (   (isset($p_options[PCLZIP_OPT_STOP_ON_ERROR]))
                        &&($p_options[PCLZIP_OPT_STOP_ON_ERROR]===true)){
                            PclZip::privErrorLog(PCLZIP_ERR_WRITE_OPEN_FAIL,
                            "Newer version of '".$p_entry['filename']."' exists "
                            ."and option PCLZIP_OPT_REPLACE_NEWER is not selected");
                            return PclZip::errorCode();
                        }
                    }
                }
                else {
                }
            }
            else {
                if ((($p_entry['external']&0x00000010)==0x00000010) ||(substr($p_entry['filename'],-1) == '/'))
                $v_dir_to_check = $p_entry['filename'];
                else if (!strstr($p_entry['filename'],"/"))
                $v_dir_to_check = "";
                else
                $v_dir_to_check = dirname($p_entry['filename']);
                if (($v_result = $this->privDirCheck($v_dir_to_check,(($p_entry['external']&0x00000010)==0x00000010))) != 1){
                    $p_entry['status'] = "path_creation_fail";
                    $v_result = 1;
                }
            }
        }
        if ($p_entry['status'] == 'ok'){
            if (!(($p_entry['external']&0x00000010)==0x00000010))
            {
                if ($p_entry['compression'] == 0){
                    if (($v_dest_file = @fopen($p_entry['filename'],'wb')) == 0)
                    {
                        $p_entry['status'] = "write_error";
                        return $v_result;
                    }
                    $v_size = $p_entry['compressed_size'];
                    while ($v_size != 0)
                    {
                        $v_read_size = ($v_size <PCLZIP_READ_BLOCK_SIZE ?$v_size : PCLZIP_READ_BLOCK_SIZE);
                        $v_buffer = @fread($this->zip_fd,$v_read_size);
                        @fwrite($v_dest_file,$v_buffer,$v_read_size);
                        $v_size -= $v_read_size;
                    }
                    fclose($v_dest_file);
                    touch($p_entry['filename'],$p_entry['mtime']);
                }
                else {
                    if (($p_entry['flag'] &1) == 1){
                        PclZip::privErrorLog(PCLZIP_ERR_UNSUPPORTED_ENCRYPTION,'File \''.$p_entry['filename'].'\' is encrypted. Encrypted files are not supported.');
                        return PclZip::errorCode();
                    }
                    if ( (!isset($p_options[PCLZIP_OPT_TEMP_FILE_OFF]))
                    &&(isset($p_options[PCLZIP_OPT_TEMP_FILE_ON])
                    ||(isset($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD])
                    &&($p_options[PCLZIP_OPT_TEMP_FILE_THRESHOLD] <= $p_entry['size'])) ) ){
                        $v_result = $this->privExtractFileUsingTempFile($p_entry,$p_options);
                        if ($v_result <PCLZIP_ERR_NO_ERROR){
                            return $v_result;
                        }
                    }
                    else {
                        $v_buffer = @fread($this->zip_fd,$p_entry['compressed_size']);
                        $v_file_content = @gzinflate($v_buffer);
                        unset($v_buffer);
                        if ($v_file_content === FALSE){
                            $p_entry['status'] = "error";
                            return $v_result;
                        }
                        if (($v_dest_file = @fopen($p_entry['filename'],'wb')) == 0){
                            $p_entry['status'] = "write_error";
                            return $v_result;
                        }
                        @fwrite($v_dest_file,$v_file_content,$p_entry['size']);
                        unset($v_file_content);
                        @fclose($v_dest_file);
                    }
                    @touch($p_entry['filename'],$p_entry['mtime']);
                }
                if (isset($p_options[PCLZIP_OPT_SET_CHMOD])){
                    @chmod($p_entry['filename'],$p_options[PCLZIP_OPT_SET_CHMOD]);
                }
            }
        }
        if ($p_entry['status'] == "aborted"){
            $p_entry['status'] = "skipped";
        }
        elseif (isset($p_options[PCLZIP_CB_POST_EXTRACT])){
            $v_local_header = array();
            $this->privConvertHeader2FileInfo($p_entry,$v_local_header);
            $v_result = $p_options[PCLZIP_CB_POST_EXTRACT](PCLZIP_CB_POST_EXTRACT,$v_local_header);
            if ($v_result == 2){
                $v_result = PCLZIP_ERR_USER_ABORTED;
            }
        }
        return $v_result;
    }
    function privExtractFileUsingTempFile(&$p_entry,&$p_options){
        $v_result=1;
        $v_gzip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.gz';
        if (($v_dest_file = @fopen($v_gzip_temp_name,"wb")) == 0){
            fclose($v_file);
            PclZip::privErrorLog(PCLZIP_ERR_WRITE_OPEN_FAIL,'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary write mode');
            return PclZip::errorCode();
        }
        $v_binary_data = pack('va1a1Va1a1',0x8b1f,Chr($p_entry['compression']),Chr(0x00),time(),Chr(0x00),Chr(3));
        @fwrite($v_dest_file,$v_binary_data,10);
        $v_size = $p_entry['compressed_size'];
        while ($v_size != 0)
        {
            $v_read_size = ($v_size <PCLZIP_READ_BLOCK_SIZE ?$v_size : PCLZIP_READ_BLOCK_SIZE);
            $v_buffer = @fread($this->zip_fd,$v_read_size);
            @fwrite($v_dest_file,$v_buffer,$v_read_size);
            $v_size -= $v_read_size;
        }
        $v_binary_data = pack('VV',$p_entry['crc'],$p_entry['size']);
        @fwrite($v_dest_file,$v_binary_data,8);
        @fclose($v_dest_file);
        if (($v_dest_file = @fopen($p_entry['filename'],'wb')) == 0){
            $p_entry['status'] = "write_error";
            return $v_result;
        }
        if (($v_src_file = @gzopen($v_gzip_temp_name,'rb')) == 0){
            @fclose($v_dest_file);
            $p_entry['status'] = "read_error";
            PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL,'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary read mode');
            return PclZip::errorCode();
        }
        $v_size = $p_entry['size'];
        while ($v_size != 0){
            $v_read_size = ($v_size <PCLZIP_READ_BLOCK_SIZE ?$v_size : PCLZIP_READ_BLOCK_SIZE);
            $v_buffer = @gzread($v_src_file,$v_read_size);
            @fwrite($v_dest_file,$v_buffer,$v_read_size);
            $v_size -= $v_read_size;
        }
        @fclose($v_dest_file);
        @gzclose($v_src_file);
        @unlink($v_gzip_temp_name);
        return $v_result;
    }
    function privExtractFileInOutput(&$p_entry,&$p_options){
        $v_result=1;
        if (($v_result = $this->privReadFileHeader($v_header)) != 1){
            return $v_result;
        }
        if ($this->privCheckFileHeaders($v_header,$p_entry) != 1){
        }
        if (isset($p_options[PCLZIP_CB_PRE_EXTRACT])){
            $v_local_header = array();
            $this->privConvertHeader2FileInfo($p_entry,$v_local_header);
            $v_result = $p_options[PCLZIP_CB_PRE_EXTRACT](PCLZIP_CB_PRE_EXTRACT,$v_local_header);
            if ($v_result == 0){
                $p_entry['status'] = "skipped";
                $v_result = 1;
            }
            if ($v_result == 2){
                $p_entry['status'] = "aborted";
                $v_result = PCLZIP_ERR_USER_ABORTED;
            }
            $p_entry['filename'] = $v_local_header['filename'];
        }
        if ($p_entry['status'] == 'ok'){
            if (!(($p_entry['external']&0x00000010)==0x00000010)){
                if ($p_entry['compressed_size'] == $p_entry['size']){
                    $v_buffer = @fread($this->zip_fd,$p_entry['compressed_size']);
                    echo $v_buffer;
                    unset($v_buffer);
                }
                else {
                    $v_buffer = @fread($this->zip_fd,$p_entry['compressed_size']);
                    $v_file_content = gzinflate($v_buffer);
                    unset($v_buffer);
                    echo $v_file_content;
                    unset($v_file_content);
                }
            }
        }
        if ($p_entry['status'] == "aborted"){
            $p_entry['status'] = "skipped";
        }
        elseif (isset($p_options[PCLZIP_CB_POST_EXTRACT])){
            $v_local_header = array();
            $this->privConvertHeader2FileInfo($p_entry,$v_local_header);
            $v_result = $p_options[PCLZIP_CB_POST_EXTRACT](PCLZIP_CB_POST_EXTRACT,$v_local_header);
            if ($v_result == 2){
                $v_result = PCLZIP_ERR_USER_ABORTED;
            }
        }
        return $v_result;
    }
    function privExtractFileAsString(&$p_entry,&$p_string,&$p_options){
        $v_result=1;
        $v_header = array();
        if (($v_result = $this->privReadFileHeader($v_header)) != 1)
        {
            return $v_result;
        }
        if ($this->privCheckFileHeaders($v_header,$p_entry) != 1){
        }
        if (isset($p_options[PCLZIP_CB_PRE_EXTRACT])){
            $v_local_header = array();
            $this->privConvertHeader2FileInfo($p_entry,$v_local_header);
            $v_result = $p_options[PCLZIP_CB_PRE_EXTRACT](PCLZIP_CB_PRE_EXTRACT,$v_local_header);
            if ($v_result == 0){
                $p_entry['status'] = "skipped";
                $v_result = 1;
            }
            if ($v_result == 2){
                $p_entry['status'] = "aborted";
                $v_result = PCLZIP_ERR_USER_ABORTED;
            }
            $p_entry['filename'] = $v_local_header['filename'];
        }
        if ($p_entry['status'] == 'ok'){
            if (!(($p_entry['external']&0x00000010)==0x00000010)){
                if ($p_entry['compression'] == 0){
                    $p_string = @fread($this->zip_fd,$p_entry['compressed_size']);
                }
                else {
                    $v_data = @fread($this->zip_fd,$p_entry['compressed_size']);
                    if (($p_string = @gzinflate($v_data)) === FALSE){
                    }
                }
            }
            else {
            }
        }
        if ($p_entry['status'] == "aborted"){
            $p_entry['status'] = "skipped";
        }
        elseif (isset($p_options[PCLZIP_CB_POST_EXTRACT])){
            $v_local_header = array();
            $this->privConvertHeader2FileInfo($p_entry,$v_local_header);
            $v_local_header['content'] = $p_string;
            $p_string = '';
            $v_result = $p_options[PCLZIP_CB_POST_EXTRACT](PCLZIP_CB_POST_EXTRACT,$v_local_header);
            $p_string = $v_local_header['content'];
            unset($v_local_header['content']);
            if ($v_result == 2){
                $v_result = PCLZIP_ERR_USER_ABORTED;
            }
        }
        return $v_result;
    }
    function privReadFileHeader(&$p_header){
        $v_result=1;
        $v_binary_data = @fread($this->zip_fd,4);
        $v_data = unpack('Vid',$v_binary_data);
        if ($v_data['id'] != 0x04034b50)
        {
            PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT,'Invalid archive structure');
            return PclZip::errorCode();
        }
        $v_binary_data = fread($this->zip_fd,26);
        if (strlen($v_binary_data) != 26)
        {
            $p_header['filename'] = "";
            $p_header['status'] = "invalid_header";
            PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT,"Invalid block size : ".strlen($v_binary_data));
            return PclZip::errorCode();
        }
        $v_data = unpack('vversion/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len',$v_binary_data);
        $p_header['filename'] = fread($this->zip_fd,$v_data['filename_len']);
        if ($v_data['extra_len'] != 0){
            $p_header['extra'] = fread($this->zip_fd,$v_data['extra_len']);
        }
        else {
            $p_header['extra'] = '';
        }
        $p_header['version_extracted'] = $v_data['version'];
        $p_header['compression'] = $v_data['compression'];
        $p_header['size'] = $v_data['size'];
        $p_header['compressed_size'] = $v_data['compressed_size'];
        $p_header['crc'] = $v_data['crc'];
        $p_header['flag'] = $v_data['flag'];
        $p_header['filename_len'] = $v_data['filename_len'];
        $p_header['mdate'] = $v_data['mdate'];
        $p_header['mtime'] = $v_data['mtime'];
        if ($p_header['mdate'] &&$p_header['mtime'])
        {
            $v_hour = ($p_header['mtime'] &0xF800) >>11;
            $v_minute = ($p_header['mtime'] &0x07E0) >>5;
            $v_seconde = ($p_header['mtime'] &0x001F)*2;
            $v_year = (($p_header['mdate'] &0xFE00) >>9) +1980;
            $v_month = ($p_header['mdate'] &0x01E0) >>5;
            $v_day = $p_header['mdate'] &0x001F;
            $p_header['mtime'] = @mktime($v_hour,$v_minute,$v_seconde,$v_month,$v_day,$v_year);
        }
        else
        {
            $p_header['mtime'] = time();
        }
        $p_header['stored_filename'] = $p_header['filename'];
        $p_header['status'] = "ok";
        return $v_result;
    }
    function privReadCentralFileHeader(&$p_header){
        $v_result=1;
        $v_binary_data = @fread($this->zip_fd,4);
        $v_data = unpack('Vid',$v_binary_data);
        if ($v_data['id'] != 0x02014b50)
        {
            PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT,'Invalid archive structure');
            return PclZip::errorCode();
        }
        $v_binary_data = fread($this->zip_fd,42);
        if (strlen($v_binary_data) != 42)
        {
            $p_header['filename'] = "";
            $p_header['status'] = "invalid_header";
            PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT,"Invalid block size : ".strlen($v_binary_data));
            return PclZip::errorCode();
        }
        $p_header = unpack('vversion/vversion_extracted/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len/vcomment_len/vdisk/vinternal/Vexternal/Voffset',$v_binary_data);
        if ($p_header['filename_len'] != 0)
        $p_header['filename'] = fread($this->zip_fd,$p_header['filename_len']);
        else
        $p_header['filename'] = '';
        if ($p_header['extra_len'] != 0)
        $p_header['extra'] = fread($this->zip_fd,$p_header['extra_len']);
        else
        $p_header['extra'] = '';
        if ($p_header['comment_len'] != 0)
        $p_header['comment'] = fread($this->zip_fd,$p_header['comment_len']);
        else
        $p_header['comment'] = '';
        if (1)
        {
            $v_hour = ($p_header['mtime'] &0xF800) >>11;
            $v_minute = ($p_header['mtime'] &0x07E0) >>5;
            $v_seconde = ($p_header['mtime'] &0x001F)*2;
            $v_year = (($p_header['mdate'] &0xFE00) >>9) +1980;
            $v_month = ($p_header['mdate'] &0x01E0) >>5;
            $v_day = $p_header['mdate'] &0x001F;
            $p_header['mtime'] = @mktime($v_hour,$v_minute,$v_seconde,$v_month,$v_day,$v_year);
        }
        else
        {
            $p_header['mtime'] = time();
        }
        $p_header['stored_filename'] = $p_header['filename'];
        $p_header['status'] = 'ok';
        if (substr($p_header['filename'],-1) == '/'){
            $p_header['external'] = 0x00000010;
        }
        return $v_result;
    }
    function privCheckFileHeaders(&$p_local_header,&$p_central_header){
        $v_result=1;
        if ($p_local_header['filename'] != $p_central_header['filename']){
        }
        if ($p_local_header['version_extracted'] != $p_central_header['version_extracted']){
        }
        if ($p_local_header['flag'] != $p_central_header['flag']){
        }
        if ($p_local_header['compression'] != $p_central_header['compression']){
        }
        if ($p_local_header['mtime'] != $p_central_header['mtime']){
        }
        if ($p_local_header['filename_len'] != $p_central_header['filename_len']){
        }
        if (($p_local_header['flag'] &8) == 8){
            $p_local_header['size'] = $p_central_header['size'];
            $p_local_header['compressed_size'] = $p_central_header['compressed_size'];
            $p_local_header['crc'] = $p_central_header['crc'];
        }
        return $v_result;
    }
    function privReadEndCentralDir(&$p_central_dir){
        $v_result=1;
        $v_size = filesize($this->zipname);
        @fseek($this->zip_fd,$v_size);
        if (@ftell($this->zip_fd) != $v_size)
        {
            PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT,'Unable to go to the end of the archive \''.$this->zipname.'\'');
            return PclZip::errorCode();
        }
        $v_found = 0;
        if ($v_size >26){
            @fseek($this->zip_fd,$v_size-22);
            if (($v_pos = @ftell($this->zip_fd)) != ($v_size-22))
            {
                PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT,'Unable to seek back to the middle of the archive \''.$this->zipname.'\'');
                return PclZip::errorCode();
            }
            $v_binary_data = @fread($this->zip_fd,4);
            $v_data = @unpack('Vid',$v_binary_data);
            if ($v_data['id'] == 0x06054b50){
                $v_found = 1;
            }
            $v_pos = ftell($this->zip_fd);
        }
        if (!$v_found){
            $v_maximum_size = 65557;
            if ($v_maximum_size >$v_size)
            $v_maximum_size = $v_size;
            @fseek($this->zip_fd,$v_size-$v_maximum_size);
            if (@ftell($this->zip_fd) != ($v_size-$v_maximum_size))
            {
                PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT,'Unable to seek back to the middle of the archive \''.$this->zipname.'\'');
                return PclZip::errorCode();
            }
            $v_pos = ftell($this->zip_fd);
            $v_bytes = 0x00000000;
            while ($v_pos <$v_size)
            {
                $v_byte = @fread($this->zip_fd,1);
                $v_bytes = ( ($v_bytes &0xFFFFFF) <<8) |Ord($v_byte);
                if ($v_bytes == 0x504b0506)
                {
                    $v_pos++;
                    break;
                }
                $v_pos++;
            }
            if ($v_pos == $v_size)
            {
                PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT,"Unable to find End of Central Dir Record signature");
                return PclZip::errorCode();
            }
        }
        $v_binary_data = fread($this->zip_fd,18);
        if (strlen($v_binary_data) != 18)
        {
            PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT,"Invalid End of Central Dir Record size : ".strlen($v_binary_data));
            return PclZip::errorCode();
        }
        $v_data = unpack('vdisk/vdisk_start/vdisk_entries/ventries/Vsize/Voffset/vcomment_size',$v_binary_data);
        if (($v_pos +$v_data['comment_size'] +18) != $v_size){
            if (0){
                PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT,
                'The central dir is not at the end of the archive.'
                .' Some trailing bytes exists after the archive.');
                return PclZip::errorCode();
            }
        }
        if ($v_data['comment_size'] != 0){
            $p_central_dir['comment'] = fread($this->zip_fd,$v_data['comment_size']);
        }
        else
        $p_central_dir['comment'] = '';
        $p_central_dir['entries'] = $v_data['entries'];
        $p_central_dir['disk_entries'] = $v_data['disk_entries'];
        $p_central_dir['offset'] = $v_data['offset'];
        $p_central_dir['size'] = $v_data['size'];
        $p_central_dir['disk'] = $v_data['disk'];
        $p_central_dir['disk_start'] = $v_data['disk_start'];
        return $v_result;
    }
    function privDeleteByRule(&$p_result_list,&$p_options){
        $v_result=1;
        $v_list_detail = array();
        if (($v_result=$this->privOpenFd('rb')) != 1)
        {
            return $v_result;
        }
        $v_central_dir = array();
        if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1)
        {
            $this->privCloseFd();
            return $v_result;
        }
        @rewind($this->zip_fd);
        $v_pos_entry = $v_central_dir['offset'];
        @rewind($this->zip_fd);
        if (@fseek($this->zip_fd,$v_pos_entry))
        {
            $this->privCloseFd();
            PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP,'Invalid archive size');
            return PclZip::errorCode();
        }
        $v_header_list = array();
        $j_start = 0;
        for ($i=0,$v_nb_extracted=0;$i<$v_central_dir['entries'];$i++)
        {
            $v_header_list[$v_nb_extracted] = array();
            if (($v_result = $this->privReadCentralFileHeader($v_header_list[$v_nb_extracted])) != 1)
            {
                $this->privCloseFd();
                return $v_result;
            }
            $v_header_list[$v_nb_extracted]['index'] = $i;
            $v_found = false;
            if (   (isset($p_options[PCLZIP_OPT_BY_NAME]))
            &&($p_options[PCLZIP_OPT_BY_NAME] != 0)){
                for ($j=0;($j<sizeof($p_options[PCLZIP_OPT_BY_NAME])) &&(!$v_found);$j++){
                    if (substr($p_options[PCLZIP_OPT_BY_NAME][$j],-1) == "/"){
                        if (   (strlen($v_header_list[$v_nb_extracted]['stored_filename']) >strlen($p_options[PCLZIP_OPT_BY_NAME][$j]))
                        &&(substr($v_header_list[$v_nb_extracted]['stored_filename'],0,strlen($p_options[PCLZIP_OPT_BY_NAME][$j])) == $p_options[PCLZIP_OPT_BY_NAME][$j])){
                            $v_found = true;
                        }
                        elseif (   (($v_header_list[$v_nb_extracted]['external']&0x00000010)==0x00000010)
                        &&($v_header_list[$v_nb_extracted]['stored_filename'].'/'== $p_options[PCLZIP_OPT_BY_NAME][$j])){
                            $v_found = true;
                        }
                    }
                    elseif ($v_header_list[$v_nb_extracted]['stored_filename'] == $p_options[PCLZIP_OPT_BY_NAME][$j]){
                        $v_found = true;
                    }
                }
            }
            else if (   (isset($p_options[PCLZIP_OPT_BY_PREG]))
            &&($p_options[PCLZIP_OPT_BY_PREG] != "")){
                if (preg_match($p_options[PCLZIP_OPT_BY_PREG],$v_header_list[$v_nb_extracted]['stored_filename'])){
                    $v_found = true;
                }
            }
            else if (   (isset($p_options[PCLZIP_OPT_BY_INDEX]))
            &&($p_options[PCLZIP_OPT_BY_INDEX] != 0)){
                for ($j=$j_start;($j<sizeof($p_options[PCLZIP_OPT_BY_INDEX])) &&(!$v_found);$j++){
                    if (($i>=$p_options[PCLZIP_OPT_BY_INDEX][$j]['start']) &&($i<=$p_options[PCLZIP_OPT_BY_INDEX][$j]['end'])){
                        $v_found = true;
                    }
                    if ($i>=$p_options[PCLZIP_OPT_BY_INDEX][$j]['end']){
                        $j_start = $j+1;
                    }
                    if ($p_options[PCLZIP_OPT_BY_INDEX][$j]['start']>$i){
                        break;
                    }
                }
            }
            else {
                $v_found = true;
            }
            if ($v_found)
            {
                unset($v_header_list[$v_nb_extracted]);
            }
            else
            {
                $v_nb_extracted++;
            }
        }
        if ($v_nb_extracted >0){
            $v_zip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.tmp';
            $v_temp_zip = new PclZip($v_zip_temp_name);
            if (($v_result = $v_temp_zip->privOpenFd('wb')) != 1){
                $this->privCloseFd();
                return $v_result;
            }
            for ($i=0;$i<sizeof($v_header_list);$i++){
                @rewind($this->zip_fd);
                if (@fseek($this->zip_fd,$v_header_list[$i]['offset'])){
                    $this->privCloseFd();
                    $v_temp_zip->privCloseFd();
                    @unlink($v_zip_temp_name);
                    PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP,'Invalid archive size');
                    return PclZip::errorCode();
                }
                $v_local_header = array();
                if (($v_result = $this->privReadFileHeader($v_local_header)) != 1){
                    $this->privCloseFd();
                    $v_temp_zip->privCloseFd();
                    @unlink($v_zip_temp_name);
                    return $v_result;
                }
                if ($this->privCheckFileHeaders($v_local_header,
                $v_header_list[$i]) != 1){
                }
                unset($v_local_header);
                if (($v_result = $v_temp_zip->privWriteFileHeader($v_header_list[$i])) != 1){
                    $this->privCloseFd();
                    $v_temp_zip->privCloseFd();
                    @unlink($v_zip_temp_name);
                    return $v_result;
                }
                if (($v_result = PclZipUtilCopyBlock($this->zip_fd,$v_temp_zip->zip_fd,$v_header_list[$i]['compressed_size'])) != 1){
                    $this->privCloseFd();
                    $v_temp_zip->privCloseFd();
                    @unlink($v_zip_temp_name);
                    return $v_result;
                }
            }
            $v_offset = @ftell($v_temp_zip->zip_fd);
            for ($i=0;$i<sizeof($v_header_list);$i++){
                if (($v_result = $v_temp_zip->privWriteCentralFileHeader($v_header_list[$i])) != 1){
                    $v_temp_zip->privCloseFd();
                    $this->privCloseFd();
                    @unlink($v_zip_temp_name);
                    return $v_result;
                }
                $v_temp_zip->privConvertHeader2FileInfo($v_header_list[$i],$p_result_list[$i]);
            }
            $v_comment = '';
            if (isset($p_options[PCLZIP_OPT_COMMENT])){
                $v_comment = $p_options[PCLZIP_OPT_COMMENT];
            }
            $v_size = @ftell($v_temp_zip->zip_fd)-$v_offset;
            if (($v_result = $v_temp_zip->privWriteCentralHeader(sizeof($v_header_list),$v_size,$v_offset,$v_comment)) != 1){
                unset($v_header_list);
                $v_temp_zip->privCloseFd();
                $this->privCloseFd();
                @unlink($v_zip_temp_name);
                return $v_result;
            }
            $v_temp_zip->privCloseFd();
            $this->privCloseFd();
            @unlink($this->zipname);
            PclZipUtilRename($v_zip_temp_name,$this->zipname);
            unset($v_temp_zip);
        }
        else if ($v_central_dir['entries'] != 0){
            $this->privCloseFd();
            if (($v_result = $this->privOpenFd('wb')) != 1){
                return $v_result;
            }
            if (($v_result = $this->privWriteCentralHeader(0,0,0,'')) != 1){
                return $v_result;
            }
            $this->privCloseFd();
        }
        return $v_result;
    }
    function privDirCheck($p_dir,$p_is_dir=false){
        $v_result = 1;
        if (($p_is_dir) &&(substr($p_dir,-1)=='/'))
        {
            $p_dir = substr($p_dir,0,strlen($p_dir)-1);
        }
        if ((is_dir($p_dir)) ||($p_dir == ""))
        {
            return 1;
        }
        $p_parent_dir = dirname($p_dir);
        if ($p_parent_dir != $p_dir)
        {
            if ($p_parent_dir != "")
            {
                if (($v_result = $this->privDirCheck($p_parent_dir)) != 1)
                {
                    return $v_result;
                }
            }
        }
        if (!@mkdir($p_dir,0777))
        {
            PclZip::privErrorLog(PCLZIP_ERR_DIR_CREATE_FAIL,"Unable to create directory '$p_dir'");
            return PclZip::errorCode();
        }
        return $v_result;
    }
    function privMerge(&$p_archive_to_add){
        $v_result=1;
        if (!is_file($p_archive_to_add->zipname))
        {
            $v_result = 1;
            return $v_result;
        }
        if (!is_file($this->zipname))
        {
            $v_result = $this->privDuplicate($p_archive_to_add->zipname);
            return $v_result;
        }
        if (($v_result=$this->privOpenFd('rb')) != 1)
        {
            return $v_result;
        }
        $v_central_dir = array();
        if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1)
        {
            $this->privCloseFd();
            return $v_result;
        }
        @rewind($this->zip_fd);
        if (($v_result=$p_archive_to_add->privOpenFd('rb')) != 1)
        {
            $this->privCloseFd();
            return $v_result;
        }
        $v_central_dir_to_add = array();
        if (($v_result = $p_archive_to_add->privReadEndCentralDir($v_central_dir_to_add)) != 1)
        {
            $this->privCloseFd();
            $p_archive_to_add->privCloseFd();
            return $v_result;
        }
        @rewind($p_archive_to_add->zip_fd);
        $v_zip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.tmp';
        if (($v_zip_temp_fd = @fopen($v_zip_temp_name,'wb')) == 0)
        {
            $this->privCloseFd();
            $p_archive_to_add->privCloseFd();
            PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL,'Unable to open temporary file \''.$v_zip_temp_name.'\' in binary write mode');
            return PclZip::errorCode();
        }
        $v_size = $v_central_dir['offset'];
        while ($v_size != 0)
        {
            $v_read_size = ($v_size <PCLZIP_READ_BLOCK_SIZE ?$v_size : PCLZIP_READ_BLOCK_SIZE);
            $v_buffer = fread($this->zip_fd,$v_read_size);
            @fwrite($v_zip_temp_fd,$v_buffer,$v_read_size);
            $v_size -= $v_read_size;
        }
        $v_size = $v_central_dir_to_add['offset'];
        while ($v_size != 0)
        {
            $v_read_size = ($v_size <PCLZIP_READ_BLOCK_SIZE ?$v_size : PCLZIP_READ_BLOCK_SIZE);
            $v_buffer = fread($p_archive_to_add->zip_fd,$v_read_size);
            @fwrite($v_zip_temp_fd,$v_buffer,$v_read_size);
            $v_size -= $v_read_size;
        }
        $v_offset = @ftell($v_zip_temp_fd);
        $v_size = $v_central_dir['size'];
        while ($v_size != 0)
        {
            $v_read_size = ($v_size <PCLZIP_READ_BLOCK_SIZE ?$v_size : PCLZIP_READ_BLOCK_SIZE);
            $v_buffer = @fread($this->zip_fd,$v_read_size);
            @fwrite($v_zip_temp_fd,$v_buffer,$v_read_size);
            $v_size -= $v_read_size;
        }
        $v_size = $v_central_dir_to_add['size'];
        while ($v_size != 0)
        {
            $v_read_size = ($v_size <PCLZIP_READ_BLOCK_SIZE ?$v_size : PCLZIP_READ_BLOCK_SIZE);
            $v_buffer = @fread($p_archive_to_add->zip_fd,$v_read_size);
            @fwrite($v_zip_temp_fd,$v_buffer,$v_read_size);
            $v_size -= $v_read_size;
        }
        $v_comment = $v_central_dir['comment'].' '.$v_central_dir_to_add['comment'];
        $v_size = @ftell($v_zip_temp_fd)-$v_offset;
        $v_swap = $this->zip_fd;
        $this->zip_fd = $v_zip_temp_fd;
        $v_zip_temp_fd = $v_swap;
        if (($v_result = $this->privWriteCentralHeader($v_central_dir['entries']+$v_central_dir_to_add['entries'],$v_size,$v_offset,$v_comment)) != 1)
        {
            $this->privCloseFd();
            $p_archive_to_add->privCloseFd();
            @fclose($v_zip_temp_fd);
            $this->zip_fd = null;
            unset($v_header_list);
            return $v_result;
        }
        $v_swap = $this->zip_fd;
        $this->zip_fd = $v_zip_temp_fd;
        $v_zip_temp_fd = $v_swap;
        $this->privCloseFd();
        $p_archive_to_add->privCloseFd();
        @fclose($v_zip_temp_fd);
        @unlink($this->zipname);
        PclZipUtilRename($v_zip_temp_name,$this->zipname);
        return $v_result;
    }
    function privDuplicate($p_archive_filename){
        $v_result=1;
        if (!is_file($p_archive_filename))
        {
            $v_result = 1;
            return $v_result;
        }
        if (($v_result=$this->privOpenFd('wb')) != 1)
        {
            return $v_result;
        }
        if (($v_zip_temp_fd = @fopen($p_archive_filename,'rb')) == 0)
        {
            $this->privCloseFd();
            PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL,'Unable to open archive file \''.$p_archive_filename.'\' in binary write mode');
            return PclZip::errorCode();
        }
        $v_size = filesize($p_archive_filename);
        while ($v_size != 0)
        {
            $v_read_size = ($v_size <PCLZIP_READ_BLOCK_SIZE ?$v_size : PCLZIP_READ_BLOCK_SIZE);
            $v_buffer = fread($v_zip_temp_fd,$v_read_size);
            @fwrite($this->zip_fd,$v_buffer,$v_read_size);
            $v_size -= $v_read_size;
        }
        $this->privCloseFd();
        @fclose($v_zip_temp_fd);
        return $v_result;
    }
    function privErrorLog($p_error_code=0,$p_error_string=''){
        if (PCLZIP_ERROR_EXTERNAL == 1){
            PclError($p_error_code,$p_error_string);
        }
        else {
            $this->error_code = $p_error_code;
            $this->error_string = $p_error_string;
        }
    }
    function privErrorReset(){
        if (PCLZIP_ERROR_EXTERNAL == 1){
            PclErrorReset();
        }
        else {
            $this->error_code = 0;
            $this->error_string = '';
        }
    }
    function privDisableMagicQuotes(){
        $v_result=1;
        if (   (!function_exists("get_magic_quotes_runtime"))
        ||(!function_exists("set_magic_quotes_runtime"))){
            return $v_result;
        }
        if ($this->magic_quotes_status != -1){
            return $v_result;
        }
        $this->magic_quotes_status = @get_magic_quotes_runtime();
        if ($this->magic_quotes_status == 1){
            @set_magic_quotes_runtime(0);
        }
        return $v_result;
    }
    function privSwapBackMagicQuotes(){
        $v_result=1;
        if (   (!function_exists("get_magic_quotes_runtime"))
        ||(!function_exists("set_magic_quotes_runtime"))){
            return $v_result;
        }
        if ($this->magic_quotes_status != -1){
            return $v_result;
        }
        if ($this->magic_quotes_status == 1){
            @set_magic_quotes_runtime($this->magic_quotes_status);
        }
        return $v_result;
    }
}
function PclZipUtilPathReduction($p_dir){
    $v_result = "";
    if ($p_dir != ""){
        $v_list = explode("/",$p_dir);
        $v_skip = 0;
        for ($i=sizeof($v_list)-1;$i>=0;$i--){
            if ($v_list[$i] == "."){
            } else if ($v_list[$i] == ".."){
                $v_skip++;
            } else if ($v_list[$i] == ""){
                if ($i == 0){
                    $v_result = "/".$v_result;
                    if ($v_skip >0){
                        $v_result = $p_dir;
                        $v_skip = 0;
                    }
                } else if ($i == (sizeof($v_list)-1)){
                    $v_result = $v_list[$i];
                } else {
                }
            } else {
                if ($v_skip >0){
                    $v_skip--;
                } else {
                    $v_result = $v_list[$i].($i!=(sizeof($v_list)-1)?"/".$v_result:"");
                }
            }
        }
        if ($v_skip >0){
            while ($v_skip >0){
                $v_result = '../'.$v_result;
                $v_skip--;
            }
        }
    }
    return $v_result;
}
function PclZipUtilPathInclusion($p_dir,$p_path){
    $v_result = 1;
    if (   ($p_dir == '.')
    ||((strlen($p_dir) >=2) &&(substr($p_dir,0,2) == './'))){
        $p_dir = PclZipUtilTranslateWinPath(getcwd(),FALSE).'/'.substr($p_dir,1);
    }
    if (   ($p_path == '.')
    ||((strlen($p_path) >=2) &&(substr($p_path,0,2) == './'))){
        $p_path = PclZipUtilTranslateWinPath(getcwd(),FALSE).'/'.substr($p_path,1);
    }
    $v_list_dir = explode("/",$p_dir);
    $v_list_dir_size = sizeof($v_list_dir);
    $v_list_path = explode("/",$p_path);
    $v_list_path_size = sizeof($v_list_path);
    $i = 0;
    $j = 0;
    while (($i <$v_list_dir_size) &&($j <$v_list_path_size) &&($v_result)){
        if ($v_list_dir[$i] == ''){
            $i++;
            continue;
        }
        if ($v_list_path[$j] == ''){
            $j++;
            continue;
        }
        if (($v_list_dir[$i] != $v_list_path[$j]) &&($v_list_dir[$i] != '') &&( $v_list_path[$j] != ''))  {
            $v_result = 0;
        }
        $i++;
        $j++;
    }
    if ($v_result){
        while (($j <$v_list_path_size) &&($v_list_path[$j] == '')) $j++;
        while (($i <$v_list_dir_size) &&($v_list_dir[$i] == '')) $i++;
        if (($i >= $v_list_dir_size) &&($j >= $v_list_path_size)){
            $v_result = 2;
        } else if ($i <$v_list_dir_size){
            $v_result = 0;
        }
    }
    return $v_result;
}
function PclZipUtilCopyBlock($p_src,$p_dest,$p_size,$p_mode=0){
    $v_result = 1;
    if ($p_mode==0){
        while ($p_size != 0)
        {
            $v_read_size = ($p_size <PCLZIP_READ_BLOCK_SIZE ?$p_size : PCLZIP_READ_BLOCK_SIZE);
            $v_buffer = @fread($p_src,$v_read_size);
            @fwrite($p_dest,$v_buffer,$v_read_size);
            $p_size -= $v_read_size;
        }
    } else if ($p_mode==1){
        while ($p_size != 0)
        {
            $v_read_size = ($p_size <PCLZIP_READ_BLOCK_SIZE ?$p_size : PCLZIP_READ_BLOCK_SIZE);
            $v_buffer = @gzread($p_src,$v_read_size);
            @fwrite($p_dest,$v_buffer,$v_read_size);
            $p_size -= $v_read_size;
        }
    } else if ($p_mode==2){
        while ($p_size != 0)
        {
            $v_read_size = ($p_size <PCLZIP_READ_BLOCK_SIZE ?$p_size : PCLZIP_READ_BLOCK_SIZE);
            $v_buffer = @fread($p_src,$v_read_size);
            @gzwrite($p_dest,$v_buffer,$v_read_size);
            $p_size -= $v_read_size;
        }
    } else if ($p_mode==3){
        while ($p_size != 0)
        {
            $v_read_size = ($p_size <PCLZIP_READ_BLOCK_SIZE ?$p_size : PCLZIP_READ_BLOCK_SIZE);
            $v_buffer = @gzread($p_src,$v_read_size);
            @gzwrite($p_dest,$v_buffer,$v_read_size);
            $p_size -= $v_read_size;
        }
    }
    return $v_result;
}
function PclZipUtilRename($p_src,$p_dest){
    $v_result = 1;
    if (!@rename($p_src,$p_dest)){
        if (!@copy($p_src,$p_dest)){
            $v_result = 0;
        } else if (!@unlink($p_src)){
            $v_result = 0;
        }
    }
    return $v_result;
}
function PclZipUtilOptionText($p_option){
    $v_list = get_defined_constants();
    for (reset($v_list);$v_key = key($v_list);next($v_list)){
        $v_prefix = substr($v_key,0,10);
        if (( ($v_prefix == 'PCLZIP_OPT') || ($v_prefix == 'PCLZIP_CB_') || ($v_prefix == 'PCLZIP_ATT'))
        &&($v_list[$v_key] == $p_option)){
            return $v_key;
        }
    }
    $v_result = 'Unknown';
    return $v_result;
}
function PclZipUtilTranslateWinPath($p_path,$p_remove_disk_letter=true){
    if (stristr(php_uname(),'windows')){
        if (($p_remove_disk_letter) &&(($v_position = strpos($p_path,':')) != false)){
            $p_path = substr($p_path,$v_position+1);
        }
        if ((strpos($p_path,'\\') >0) ||(substr($p_path,0,1) == '\\')){
            $p_path = strtr($p_path,'\\','/');
        }
    }
    return $p_path;
}